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-rw-r--r--components/libc/compilers/common/include/compiler_private.h17
-rw-r--r--components/libc/compilers/common/include/dirent.h71
-rw-r--r--components/libc/compilers/common/include/posix/ctype.h31
-rw-r--r--components/libc/compilers/common/include/posix/stdio.h28
-rw-r--r--components/libc/compilers/common/include/posix/stdlib.h32
-rw-r--r--components/libc/compilers/common/include/posix/string.h43
-rw-r--r--components/libc/compilers/common/include/posix/wchar.h27
-rw-r--r--components/libc/compilers/common/include/sys/ioctl.h278
-rw-r--r--components/libc/compilers/common/include/sys/select.h60
-rw-r--r--components/libc/compilers/common/include/sys/signal.h232
-rw-r--r--components/libc/compilers/common/include/sys/statfs.h33
-rw-r--r--components/libc/compilers/common/include/sys/time.h155
-rw-r--r--components/libc/compilers/common/include/sys/unistd.h57
-rw-r--r--components/libc/compilers/common/include/sys/vfs.h16
-rw-r--r--components/libc/compilers/common/include/unistd.h10
15 files changed, 1090 insertions, 0 deletions
diff --git a/components/libc/compilers/common/include/compiler_private.h b/components/libc/compilers/common/include/compiler_private.h
new file mode 100644
index 0000000000..8f150bf104
--- /dev/null
+++ b/components/libc/compilers/common/include/compiler_private.h
@@ -0,0 +1,17 @@
+/*
+ * Copyright (c) 2006-2022, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date Author Notes
+ * 2021-12-26 Meco Man First Version
+ */
+
+#ifndef __COMPILER_PRIVATE_H__
+#define __COMPILER_PRIVATE_H__
+
+#define _WARNING_WITHOUT_FS "Please enable RT_USING_POSIX_FS"
+#define _WARNING_WITHOUT_STDIO "Please enable RT_USING_POSIX_FS and RT_USING_POSIX_STDIO"
+
+#endif /* __COMPILER_PRIVATE_H__ */
diff --git a/components/libc/compilers/common/include/dirent.h b/components/libc/compilers/common/include/dirent.h
new file mode 100644
index 0000000000..55ebcd2d01
--- /dev/null
+++ b/components/libc/compilers/common/include/dirent.h
@@ -0,0 +1,71 @@
+/*
+ * Copyright (c) 2006-2022, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date Author Notes
+ */
+
+#ifndef __DIRENT_H__
+#define __DIRENT_H__
+
+#include <rtdef.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+* dirent.h - format of directory entries
+ * Ref: http://www.opengroup.org/onlinepubs/009695399/basedefs/dirent.h.html
+ */
+
+/* File types */
+#define FT_REGULAR 0 /* regular file */
+#define FT_SOCKET 1 /* socket file */
+#define FT_DIRECTORY 2 /* directory */
+#define FT_USER 3 /* user defined */
+
+#define DT_UNKNOWN 0x00
+#define DT_REG 0x01
+#define DT_DIR 0x02
+
+#ifndef HAVE_DIR_STRUCTURE
+#define HAVE_DIR_STRUCTURE
+typedef struct
+{
+ int fd; /* directory file */
+ char buf[512];
+ int num;
+ int cur;
+}DIR;
+#endif
+
+#ifndef HAVE_DIRENT_STRUCTURE
+#define HAVE_DIRENT_STRUCTURE
+
+#define DIRENT_NAME_MAX 256
+
+struct dirent
+{
+ rt_uint8_t d_type; /* The type of the file */
+ rt_uint8_t d_namlen; /* The length of the not including the terminating null file name */
+ rt_uint16_t d_reclen; /* length of this record */
+ char d_name[DIRENT_NAME_MAX]; /* The null-terminated file name */
+};
+#endif
+
+int closedir(DIR *);
+DIR *opendir(const char *);
+struct dirent *readdir(DIR *);
+int readdir_r(DIR *, struct dirent *, struct dirent **);
+void rewinddir(DIR *);
+void seekdir(DIR *, long int);
+long telldir(DIR *);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/components/libc/compilers/common/include/posix/ctype.h b/components/libc/compilers/common/include/posix/ctype.h
new file mode 100644
index 0000000000..0ac42e3faf
--- /dev/null
+++ b/components/libc/compilers/common/include/posix/ctype.h
@@ -0,0 +1,31 @@
+/*
+ * Copyright (c) 2006-2022, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date Author Notes
+ * 2022-06-07 Meco Man The first version.
+ */
+
+#ifndef __POSIX_CTYPE_H__
+#define __POSIX_CTYPE_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <ctype.h>
+
+#ifndef isascii /* some toolchain use macro to define it */
+int isascii(int c);
+#endif
+#ifndef toascii
+int toascii(int c);
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __POSIX_CTYPE_H__ */
diff --git a/components/libc/compilers/common/include/posix/stdio.h b/components/libc/compilers/common/include/posix/stdio.h
new file mode 100644
index 0000000000..7dea03bb0d
--- /dev/null
+++ b/components/libc/compilers/common/include/posix/stdio.h
@@ -0,0 +1,28 @@
+/*
+ * Copyright (c) 2006-2022, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date Author Notes
+ * 2022-06-07 Meco Man first version
+ */
+
+#ifndef __POSIX_STDIO_H__
+#define __POSIX_STDIO_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdio.h>
+#include <sys/types.h>
+
+ssize_t getdelim(char **lineptr, size_t *n, int delim, FILE *stream);
+ssize_t getline(char **lineptr, size_t *n, FILE *stream);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __POSIX_STDIO_H__ */
diff --git a/components/libc/compilers/common/include/posix/stdlib.h b/components/libc/compilers/common/include/posix/stdlib.h
new file mode 100644
index 0000000000..bc53ebdecf
--- /dev/null
+++ b/components/libc/compilers/common/include/posix/stdlib.h
@@ -0,0 +1,32 @@
+/*
+ * Copyright (c) 2006-2022, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date Author Notes
+ * 2022-06-07 Meco Man The first version.
+ */
+
+#ifndef __POSIX_STDLIB_H__
+#define __POSIX_STDLIB_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdint.h>
+#include <stdlib.h>
+
+char *itoa(int n, char *buffer, int radix);
+char *lltoa(int64_t ll, char *buffer, int radix);
+char *ltoa(long l, char *buffer, int radix);
+char *ulltoa(uint64_t ll, char *buffer, int radix);
+char *ultoa(unsigned long l, char *buffer, int radix);
+char *utoa(unsigned int n, char *buffer, int radix);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __POSIX_STDLIB_H__ */
diff --git a/components/libc/compilers/common/include/posix/string.h b/components/libc/compilers/common/include/posix/string.h
new file mode 100644
index 0000000000..475de513fc
--- /dev/null
+++ b/components/libc/compilers/common/include/posix/string.h
@@ -0,0 +1,43 @@
+/*
+ * Copyright (c) 2006-2022, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date Author Notes
+ * 2022-01-12 Meco Man The first version.
+ */
+
+#ifndef __POSIX_STRING_H__
+#define __POSIX_STRING_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stddef.h>
+#include <string.h>
+
+void bzero(void * s, size_t n);
+void bcopy(const void * src, void * dest, size_t n);
+int bcmp(const void * s1, const void * s2, size_t n);
+void explicit_bzero(void * s, size_t n);
+char *index(const char * s, int c);
+char *rindex(const char * s, int c);
+int ffs(int i);
+int ffsl(long i);
+int ffsll(long long i);
+void *memrchr(const void* ptr, int ch, size_t pos);
+size_t strnlen(const char *s, size_t maxlen);
+char* strchrnul(const char *s, int c);
+int strcasecmp(const char * s1, const char * s2);
+int strncasecmp(const char * s1, const char * s2, size_t n);
+char *strdup(const char *s);
+char *strndup(const char *s, size_t size);
+char *strtok_r(char *str, const char *delim, char **saveptr);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __POSIX_STRING_H__ */
diff --git a/components/libc/compilers/common/include/posix/wchar.h b/components/libc/compilers/common/include/posix/wchar.h
new file mode 100644
index 0000000000..91aed4e279
--- /dev/null
+++ b/components/libc/compilers/common/include/posix/wchar.h
@@ -0,0 +1,27 @@
+/*
+ * Copyright (c) 2006-2022, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date Author Notes
+ * 2022-06-07 Meco Man The first version
+ */
+
+#ifndef __POSIX_WCHAR_H__
+#define __POSIX_WCHAR_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <wchar.h>
+
+int wcwidth(wchar_t);
+int wcswidth(const wchar_t*, size_t);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __POSIX_WCHAR_H__ */
diff --git a/components/libc/compilers/common/include/sys/ioctl.h b/components/libc/compilers/common/include/sys/ioctl.h
new file mode 100644
index 0000000000..e33f19cd6f
--- /dev/null
+++ b/components/libc/compilers/common/include/sys/ioctl.h
@@ -0,0 +1,278 @@
+/*
+ * Copyright (c) 2006-2022, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date Author Notes
+ * 2020-09-01 Meco Man First Version
+ */
+
+#ifndef __SYS_IOCTL_H__
+#define __SYS_IOCTL_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct winsize
+{
+ unsigned short ws_row;
+ unsigned short ws_col;
+ unsigned short ws_xpixel;
+ unsigned short ws_ypixel;
+};
+
+/*
+ * Direction bits, which any architecture can choose to override
+ * before including this file.
+ */
+
+#ifndef _IOC_NONE
+#define _IOC_NONE 0U
+#endif
+
+#ifndef _IOC_WRITE
+#define _IOC_WRITE 1U
+#endif
+
+#ifndef _IOC_READ
+#define _IOC_READ 2U
+#endif
+
+#ifndef _IOC
+#define _IOC(a,b,c,d) (((a)<<30) | ((b)<<8) | (c) | ((d)<<16))
+#endif
+
+#ifndef _IO
+#define _IO(a,b) _IOC(_IOC_NONE, (a), (b), 0)
+#endif
+
+#ifndef _IOW
+#define _IOW(a,b,c) _IOC(_IOC_WRITE, (a), (b), sizeof(c))
+#endif
+
+#ifndef _IOR
+#define _IOR(a,b,c) _IOC(_IOC_READ, (a), (b), sizeof(c))
+#endif
+
+#ifndef _IOWR
+#define _IOWR(a,b,c) _IOC(_IOC_READ|_IOC_WRITE, (a), (b), sizeof(c))
+#endif
+
+#ifndef FIONREAD
+#define FIONREAD _IOR('f', 127, int) /* get # bytes to read */
+#endif
+
+#ifndef FIONBIO
+#define FIONBIO _IOW('f', 126, int) /* set/clear non-blocking i/o */
+#endif
+
+#ifndef FIOASYNC
+#define FIOASYNC _IOW('f', 125, int) /* set/clear async i/o */
+#endif
+
+#ifndef FIONWRITE
+#define FIONWRITE _IOR('f', 121, int) /* get # bytes outstanding in send queue */
+#endif
+
+/* Socket I/O Controls */
+#ifndef SIOCSHIWAT
+#define SIOCSHIWAT _IOW('s', 0, int) /* set high watermark */
+#define SIOCGHIWAT _IOR('s', 1, int) /* get high watermark */
+#define SIOCSLOWAT _IOW('s', 2, int) /* set low watermark */
+#define SIOCGLOWAT _IOR('s', 3, int) /* get low watermark */
+#define SIOCATMARK _IOR('s', 7, int) /* at oob mark? */
+#endif
+
+#define TCGETS 0x5401
+#define TCSETS 0x5402
+#define TCSETSW 0x5403
+#define TCSETSF 0x5404
+#define TCGETA 0x5405
+#define TCSETA 0x5406
+#define TCSETAW 0x5407
+#define TCSETAF 0x5408
+#define TCSBRK 0x5409
+#define TCXONC 0x540A
+#define TCFLSH 0x540B
+#define TIOCEXCL 0x540C
+#define TIOCNXCL 0x540D
+#define TIOCSCTTY 0x540E
+#define TIOCGPGRP 0x540F
+#define TIOCSPGRP 0x5410
+#define TIOCOUTQ 0x5411
+#define TIOCSTI 0x5412
+#define TIOCGWINSZ 0x5413
+#define TIOCSWINSZ 0x5414
+#define TIOCMGET 0x5415
+#define TIOCMBIS 0x5416
+#define TIOCMBIC 0x5417
+#define TIOCMSET 0x5418
+#define TIOCGSOFTCAR 0x5419
+#define TIOCSSOFTCAR 0x541A
+#define TIOCINQ FIONREAD
+#define TIOCLINUX 0x541C
+#define TIOCCONS 0x541D
+#define TIOCGSERIAL 0x541E
+#define TIOCSSERIAL 0x541F
+#define TIOCPKT 0x5420
+#define TIOCNOTTY 0x5422
+#define TIOCSETD 0x5423
+#define TIOCGETD 0x5424
+#define TCSBRKP 0x5425
+#define TIOCSBRK 0x5427
+#define TIOCCBRK 0x5428
+#define TIOCGSID 0x5429
+#define TIOCGRS485 0x542E
+#define TIOCSRS485 0x542F
+#define TIOCGPTN 0x80045430
+#define TIOCSPTLCK 0x40045431
+#define TIOCGDEV 0x80045432
+#define TCGETX 0x5432
+#define TCSETX 0x5433
+#define TCSETXF 0x5434
+#define TCSETXW 0x5435
+#define TIOCSIG 0x40045436
+#define TIOCVHANGUP 0x5437
+#define TIOCGPKT 0x80045438
+#define TIOCGPTLCK 0x80045439
+#define TIOCGEXCL 0x80045440
+
+#define FIONCLEX 0x5450
+#define FIOCLEX 0x5451
+
+#define TIOCSERCONFIG 0x5453
+#define TIOCSERGWILD 0x5454
+#define TIOCSERSWILD 0x5455
+#define TIOCGLCKTRMIOS 0x5456
+#define TIOCSLCKTRMIOS 0x5457
+#define TIOCSERGSTRUCT 0x5458
+#define TIOCSERGETLSR 0x5459
+#define TIOCSERGETMULTI 0x545A
+#define TIOCSERSETMULTI 0x545B
+
+#define TIOCMIWAIT 0x545C
+#define TIOCGICOUNT 0x545D
+#define FIOQSIZE 0x5460
+
+#define TIOCPKT_DATA 0
+#define TIOCPKT_FLUSHREAD 1
+#define TIOCPKT_FLUSHWRITE 2
+#define TIOCPKT_STOP 4
+#define TIOCPKT_START 8
+#define TIOCPKT_NOSTOP 16
+#define TIOCPKT_DOSTOP 32
+#define TIOCPKT_IOCTL 64
+
+#define TIOCSER_TEMT 0x01
+
+#define TIOCM_LE 0x001
+#define TIOCM_DTR 0x002
+#define TIOCM_RTS 0x004
+#define TIOCM_ST 0x008
+#define TIOCM_SR 0x010
+#define TIOCM_CTS 0x020
+#define TIOCM_CAR 0x040
+#define TIOCM_RNG 0x080
+#define TIOCM_DSR 0x100
+#define TIOCM_CD TIOCM_CAR
+#define TIOCM_RI TIOCM_RNG
+#define TIOCM_OUT1 0x2000
+#define TIOCM_OUT2 0x4000
+#define TIOCM_LOOP 0x8000
+
+#define N_TTY 0
+#define N_SLIP 1
+#define N_MOUSE 2
+#define N_PPP 3
+#define N_STRIP 4
+#define N_AX25 5
+#define N_X25 6
+#define N_6PACK 7
+#define N_MASC 8
+#define N_R3964 9
+#define N_PROFIBUS_FDL 10
+#define N_IRDA 11
+#define N_SMSBLOCK 12
+#define N_HDLC 13
+#define N_SYNC_PPP 14
+#define N_HCI 15
+
+#define FIOSETOWN 0x8901
+#define SIOCSPGRP 0x8902
+#define FIOGETOWN 0x8903
+#define SIOCGPGRP 0x8904
+#define SIOCGSTAMP 0x8906
+#define SIOCGSTAMPNS 0x8907
+
+#define SIOCADDRT 0x890B
+#define SIOCDELRT 0x890C
+#define SIOCRTMSG 0x890D
+
+#define SIOCGIFNAME 0x8910
+#define SIOCSIFLINK 0x8911
+#define SIOCGIFCONF 0x8912
+#define SIOCGIFFLAGS 0x8913
+#define SIOCSIFFLAGS 0x8914
+#define SIOCGIFADDR 0x8915
+#define SIOCSIFADDR 0x8916
+#define SIOCGIFDSTADDR 0x8917
+#define SIOCSIFDSTADDR 0x8918
+#define SIOCGIFBRDADDR 0x8919
+#define SIOCSIFBRDADDR 0x891a
+#define SIOCGIFNETMASK 0x891b
+#define SIOCSIFNETMASK 0x891c
+#define SIOCGIFMETRIC 0x891d
+#define SIOCSIFMETRIC 0x891e
+#define SIOCGIFMEM 0x891f
+#define SIOCSIFMEM 0x8920
+#define SIOCGIFMTU 0x8921
+#define SIOCSIFMTU 0x8922
+#define SIOCSIFNAME 0x8923
+#define SIOCSIFHWADDR 0x8924
+#define SIOCGIFENCAP 0x8925
+#define SIOCSIFENCAP 0x8926
+#define SIOCGIFHWADDR 0x8927
+#define SIOCGIFSLAVE 0x8929
+#define SIOCSIFSLAVE 0x8930
+#define SIOCADDMULTI 0x8931
+#define SIOCDELMULTI 0x8932
+#define SIOCGIFINDEX 0x8933
+#define SIOGIFINDEX SIOCGIFINDEX
+#define SIOCSIFPFLAGS 0x8934
+#define SIOCGIFPFLAGS 0x8935
+#define SIOCDIFADDR 0x8936
+#define SIOCSIFHWBROADCAST 0x8937
+#define SIOCGIFCOUNT 0x8938
+
+#define SIOCGIFBR 0x8940
+#define SIOCSIFBR 0x8941
+
+#define SIOCGIFTXQLEN 0x8942
+#define SIOCSIFTXQLEN 0x8943
+
+#define SIOCDARP 0x8953
+#define SIOCGARP 0x8954
+#define SIOCSARP 0x8955
+
+#define SIOCDRARP 0x8960
+#define SIOCGRARP 0x8961
+#define SIOCSRARP 0x8962
+
+#define SIOCGIFMAP 0x8970
+#define SIOCSIFMAP 0x8971
+
+#define SIOCADDDLCI 0x8980
+#define SIOCDELDLCI 0x8981
+
+#define SIOCDEVPRIVATE 0x89F0
+#define SIOCPROTOPRIVATE 0x89E0
+
+int ioctl(int fildes, int cmd, ...);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/components/libc/compilers/common/include/sys/select.h b/components/libc/compilers/common/include/sys/select.h
new file mode 100644
index 0000000000..9004658be9
--- /dev/null
+++ b/components/libc/compilers/common/include/sys/select.h
@@ -0,0 +1,60 @@
+/*
+ * Copyright (c) 2006-2022, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date Author Notes
+ * 2021-07-21 Meco Man The first version
+ * 2021-12-25 Meco Man Handle newlib 2.2.0 or lower version
+ */
+
+#ifndef __SYS_SELECT_H__
+#define __SYS_SELECT_H__
+
+#include <rtthread.h>
+#include <sys/types.h>
+#include <sys/time.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef FD_SETSIZE
+#define FD_SETSIZE 32
+#endif
+
+#ifdef SAL_USING_POSIX
+#ifdef FD_SETSIZE
+#undef FD_SETSIZE
+#endif
+#define FD_SETSIZE DFS_FD_MAX
+#endif /* SAL_USING_POSIX */
+
+typedef long fd_mask;
+
+#ifndef _SYS_TYPES_FD_SET /* Newlib 2.2.0 or lower version */
+#define NBBY 8 /* number of bits in a byte */
+#define NFDBITS (sizeof (fd_mask) * NBBY) /* bits per mask */
+#ifndef howmany
+#define howmany(x,y) (((x)+((y)-1))/(y))
+#endif /* howmany */
+
+typedef struct _types_fd_set {
+ fd_mask fds_bits[howmany(FD_SETSIZE, NFDBITS)];
+} _types_fd_set;
+#define fd_set _types_fd_set
+
+#define FD_SET(n, p) ((p)->fds_bits[(n)/NFDBITS] |= (1L << ((n) % NFDBITS)))
+#define FD_CLR(n, p) ((p)->fds_bits[(n)/NFDBITS] &= ~(1L << ((n) % NFDBITS)))
+#define FD_ISSET(n, p) ((p)->fds_bits[(n)/NFDBITS] & (1L << ((n) % NFDBITS)))
+#define FD_ZERO(p) rt_memset((void*)(p), 0, sizeof(*(p)))
+#endif /* _SYS_TYPES_FD_SET */
+
+int select(int nfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds, struct timeval *timeout);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __SYS_SELECT_H__ */
diff --git a/components/libc/compilers/common/include/sys/signal.h b/components/libc/compilers/common/include/sys/signal.h
new file mode 100644
index 0000000000..dbd947acb9
--- /dev/null
+++ b/components/libc/compilers/common/include/sys/signal.h
@@ -0,0 +1,232 @@
+/*
+ * Copyright (c) 2006-2022, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date Author Notes
+ * 2017-09-12 Bernard The first version
+ * 2021-07-21 Meco Man move to libc/common
+ */
+
+#ifndef __SYS_SIGNAL_H__
+#define __SYS_SIGNAL_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdint.h>
+#include <sys/types.h>
+
+
+/* sigev_notify values
+ NOTE: P1003.1c/D10, p. 34 adds SIGEV_THREAD. */
+
+#define SIGEV_NONE 1 /* No asynchronous notification shall be delivered */
+ /* when the event of interest occurs. */
+#define SIGEV_SIGNAL 2 /* A queued signal, with an application defined */
+ /* value, shall be delivered when the event of */
+ /* interest occurs. */
+#define SIGEV_THREAD 3 /* A notification function shall be called to */
+ /* perform notification. */
+
+/* Signal Generation and Delivery, P1003.1b-1993, p. 63
+ NOTE: P1003.1c/D10, p. 34 adds sigev_notify_function and
+ sigev_notify_attributes to the sigevent structure. */
+union sigval
+{
+ int sival_int; /* Integer signal value */
+ void *sival_ptr; /* Pointer signal value */
+};
+
+struct sigevent
+{
+ int sigev_notify; /* Notification type */
+ int sigev_signo; /* Signal number */
+ union sigval sigev_value; /* Signal value */
+ void (*sigev_notify_function)( union sigval );
+ /* Notification function */
+ void *sigev_notify_attributes; /* Notification Attributes, really pthread_attr_t */
+};
+
+struct siginfo
+{
+ uint16_t si_signo;
+ uint16_t si_code;
+
+ union sigval si_value;
+};
+typedef struct siginfo siginfo_t;
+
+#define SI_USER 0x01 /* Signal sent by kill(). */
+#define SI_QUEUE 0x02 /* Signal sent by sigqueue(). */
+#define SI_TIMER 0x03 /* Signal generated by expiration of a timer set by timer_settime(). */
+#define SI_ASYNCIO 0x04 /* Signal generated by completion of an asynchronous I/O request. */
+#define SI_MESGQ 0x05 /* Signal generated by arrival of a message on an empty message queue. */
+
+typedef void (*_sig_func_ptr)(int);
+typedef unsigned long sigset_t;
+
+struct sigaction
+{
+ _sig_func_ptr sa_handler;
+ sigset_t sa_mask;
+ int sa_flags;
+};
+
+/*
+ * Structure used in sigaltstack call.
+ */
+typedef struct sigaltstack
+{
+ void *ss_sp; /* Stack base or pointer. */
+ int ss_flags; /* Flags. */
+ size_t ss_size; /* Stack size. */
+} stack_t;
+
+#define SIG_SETMASK 0 /* set mask with sigprocmask() */
+#define SIG_BLOCK 1 /* set of signals to block */
+#define SIG_UNBLOCK 2 /* set of signals to, well, unblock */
+
+#define sigaddset(what,sig) (*(what) |= (1<<(sig)), 0)
+#define sigdelset(what,sig) (*(what) &= ~(1<<(sig)), 0)
+#define sigemptyset(what) (*(what) = 0, 0)
+#define sigfillset(what) (*(what) = ~(0), 0)
+#define sigismember(what,sig) (((*(what)) & (1<<(sig))) != 0)
+
+int sigprocmask (int how, const sigset_t *set, sigset_t *oset);
+int sigpending (sigset_t *set);
+int sigsuspend (const sigset_t *set);
+
+#include "time.h"
+int sigtimedwait(const sigset_t *set, siginfo_t *info, const struct timespec *timeout);
+int sigwait(const sigset_t *set, int *sig);
+int sigwaitinfo(const sigset_t *set, siginfo_t *info);
+int raise(int sig);
+int sigqueue(pid_t pid, int signo, const union sigval value);
+int sigaction(int signum, const struct sigaction *act, struct sigaction *oldact);
+
+#ifdef __ARMCC_VERSION
+#define SIGHUP 1
+/* #define SIGINT 2 */
+#define SIGQUIT 3
+/* #define SIGILL 4 */
+#define SIGTRAP 5
+/* #define SIGABRT 6 */
+#define SIGEMT 7
+/* #define SIGFPE 8 */
+#define SIGKILL 9
+#define SIGBUS 10
+/* #define SIGSEGV 11 */
+#define SIGSYS 12
+#define SIGPIPE 13
+#define SIGALRM 14
+/* #define SIGTERM 15 */
+#define SIGURG 16
+#define SIGSTOP 17
+#define SIGTSTP 18
+#define SIGCONT 19
+#define SIGCHLD 20
+#define SIGTTIN 21
+#define SIGTTOU 22
+#define SIGPOLL 23
+#define SIGWINCH 24
+#define SIGXCPU 24 /* exceeded CPU time limit */
+#define SIGXFSZ 25 /* exceeded file size limit */
+#define SIGVTALRM 26 /* virtual time alarm */
+/* #define SIGUSR1 25 */
+/* #define SIGUSR2 26 */
+#define SIGRTMIN 27
+#define SIGRTMAX 31
+#define NSIG 32
+
+#include <signal.h>
+
+#elif defined(__IAR_SYSTEMS_ICC__)
+#define SIGHUP 1
+#define SIGINT 2
+#define SIGQUIT 3
+#define SIGILL 4
+#define SIGTRAP 5
+/* #define SIGABRT 6 */
+#define SIGEMT 7
+#define SIGFPE 8
+#define SIGKILL 9
+#define SIGBUS 10
+#define SIGSEGV 11
+#define SIGSYS 12
+#define SIGPIPE 13
+#define SIGALRM 14
+#define SIGTERM 15
+#define SIGURG 16
+#define SIGSTOP 17
+#define SIGTSTP 18
+#define SIGCONT 19
+#define SIGCHLD 20
+#define SIGTTIN 21
+#define SIGTTOU 22
+#define SIGPOLL 23
+#define SIGWINCH 24
+#define SIGXCPU 24 /* exceeded CPU time limit */
+#define SIGXFSZ 25 /* exceeded file size limit */
+#define SIGVTALRM 26 /* virtual time alarm */
+#define SIGUSR1 25
+#define SIGUSR2 26
+#define SIGRTMIN 27
+#define SIGRTMAX 31
+#define NSIG 32
+
+#include <signal.h>
+
+#elif defined(__GNUC__)
+#define SIGHUP 1 /* hangup */
+#define SIGINT 2 /* interrupt */
+#define SIGQUIT 3 /* quit */
+#define SIGILL 4 /* illegal instruction (not reset when caught) */
+#define SIGTRAP 5 /* trace trap (not reset when caught) */
+#define SIGIOT 6 /* IOT instruction */
+#define SIGABRT 6 /* used by abort, replace SIGIOT in the future */
+#define SIGEMT 7 /* EMT instruction */
+#define SIGFPE 8 /* floating point exception */
+#define SIGKILL 9 /* kill (cannot be caught or ignored) */
+#define SIGBUS 10 /* bus error */
+#define SIGSEGV 11 /* segmentation violation */
+#define SIGSYS 12 /* bad argument to system call */
+#define SIGPIPE 13 /* write on a pipe with no one to read it */
+#define SIGALRM 14 /* alarm clock */
+#define SIGTERM 15 /* software termination signal from kill */
+#define SIGURG 16 /* urgent condition on IO channel */
+#define SIGSTOP 17 /* sendable stop signal not from tty */
+#define SIGTSTP 18 /* stop signal from tty */
+#define SIGCONT 19 /* continue a stopped process */
+#define SIGCHLD 20 /* to parent on child stop or exit */
+#define SIGCLD 20 /* System V name for SIGCHLD */
+#define SIGTTIN 21 /* to readers pgrp upon background tty read */
+#define SIGTTOU 22 /* like TTIN for output if (tp->t_local&LTOSTOP) */
+#define SIGIO 23 /* input/output possible signal */
+#define SIGPOLL SIGIO /* System V name for SIGIO */
+#define SIGXCPU 24 /* exceeded CPU time limit */
+#define SIGXFSZ 25 /* exceeded file size limit */
+#define SIGVTALRM 26 /* virtual time alarm */
+#define SIGPROF 27 /* profiling time alarm */
+#define SIGWINCH 28 /* window changed */
+#define SIGLOST 29 /* resource lost (eg, record-lock lost) */
+#define SIGUSR1 30 /* user defined signal 1 */
+#define SIGUSR2 31 /* user defined signal 2 */
+#define NSIG 32 /* signal 0 implied */
+
+#ifndef _SIGNAL_H_
+/* Some applications take advantage of the fact that <sys/signal.h>
+ * and <signal.h> are equivalent in glibc. Allow for that here. */
+#include <signal.h>
+#endif
+
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+
diff --git a/components/libc/compilers/common/include/sys/statfs.h b/components/libc/compilers/common/include/sys/statfs.h
new file mode 100644
index 0000000000..818ec9eb77
--- /dev/null
+++ b/components/libc/compilers/common/include/sys/statfs.h
@@ -0,0 +1,33 @@
+/*
+ * Copyright (c) 2006-2022, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date Author Notes
+ */
+
+#ifndef __SYS_STATFS_H__
+#define __SYS_STATFS_H__
+
+#include <stddef.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct statfs
+{
+ size_t f_bsize; /* block size */
+ size_t f_blocks; /* total data blocks in file system */
+ size_t f_bfree; /* free blocks in file system */
+};
+
+int statfs(const char *path, struct statfs *buf);
+int fstatfs(int fd, struct statfs *buf);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/components/libc/compilers/common/include/sys/time.h b/components/libc/compilers/common/include/sys/time.h
new file mode 100644
index 0000000000..8a4dbb68f3
--- /dev/null
+++ b/components/libc/compilers/common/include/sys/time.h
@@ -0,0 +1,155 @@
+/*
+ * Copyright (c) 2006-2022, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date Author Notes
+ * 2020-09-07 Meco Man combine gcc armcc iccarm
+ * 2021-02-12 Meco Man move all definitions located in <clock_time.h> to this file
+ */
+
+#ifndef __SYS_TIME_H__
+#define __SYS_TIME_H__
+
+#include <rtconfig.h>
+#include <sys/types.h>
+#include <stdint.h>
+#include <time.h>
+#ifdef _WIN32
+typedef __time64_t time_t;
+#endif /* _WIN32 */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* timezone */
+#define DST_NONE 0 /* not on dst */
+#define DST_USA 1 /* USA style dst */
+#define DST_AUST 2 /* Australian style dst */
+#define DST_WET 3 /* Western European dst */
+#define DST_MET 4 /* Middle European dst */
+#define DST_EET 5 /* Eastern European dst */
+#define DST_CAN 6 /* Canada */
+#define DST_GB 7 /* Great Britain and Eire */
+#define DST_RUM 8 /* Rumania */
+#define DST_TUR 9 /* Turkey */
+#define DST_AUSTALT 10 /* Australian style with shift in 1986 */
+
+struct timezone
+{
+ int tz_minuteswest; /* minutes west of Greenwich */
+ int tz_dsttime; /* type of dst correction */
+};
+
+#ifndef _TIMEVAL_DEFINED
+#define _TIMEVAL_DEFINED
+struct timeval
+{
+ time_t tv_sec; /* seconds */
+ suseconds_t tv_usec; /* and microseconds */
+};
+#endif /* _TIMEVAL_DEFINED */
+
+#if defined(__ARMCC_VERSION) || defined(_WIN32) || (defined(__ICCARM__) && (__VER__ < 8010001))
+struct timespec
+{
+ time_t tv_sec; /* seconds */
+ long tv_nsec; /* and nanoseconds */
+};
+#endif /* defined(__ARMCC_VERSION) || defined(_WIN32) || (defined(__ICCARM__) && (__VER__ < 8010001)) */
+
+#if !(defined(__GNUC__) && !defined(__ARMCC_VERSION)/*GCC*/)
+/*
+ * Structure defined by POSIX.1b to be like a itimerval, but with
+ * timespecs. Used in the timer_*() system calls.
+ */
+struct itimerspec
+{
+ struct timespec it_interval;
+ struct timespec it_value;
+};
+#endif /* !(defined(__GNUC__) && !defined(__ARMCC_VERSION)) */
+
+int stime(const time_t *t);
+time_t timegm(struct tm * const t);
+int gettimeofday(struct timeval *tv, struct timezone *tz);
+int settimeofday(const struct timeval *tv, const struct timezone *tz);
+#if defined(__ARMCC_VERSION) || defined (__ICCARM__)
+struct tm *gmtime_r(const time_t *timep, struct tm *r);
+struct tm* localtime_r(const time_t* t, struct tm* r);
+char* asctime_r(const struct tm *t, char *buf);
+char *ctime_r(const time_t * tim_p, char * result);
+#elif defined(_WIN32)
+struct tm* gmtime_r(const time_t* timep, struct tm* r);
+struct tm* gmtime(const time_t* t);
+struct tm* localtime_r(const time_t* t, struct tm* r);
+struct tm* localtime(const time_t* t);
+time_t mktime(struct tm* const t);
+char* asctime_r(const struct tm* t, char* buf);
+char* ctime_r(const time_t* tim_p, char* result);
+char* ctime(const time_t* tim_p);
+time_t time(time_t* t);
+#endif
+
+#ifdef RT_USING_POSIX_DELAY
+int nanosleep(const struct timespec *rqtp, struct timespec *rmtp);
+#endif /* RT_USING_POSIX_DELAY */
+
+#if defined(RT_USING_POSIX_CLOCK) || defined (RT_USING_POSIX_TIMER)
+/* POSIX clock and timer */
+#define MILLISECOND_PER_SECOND 1000UL
+#define MICROSECOND_PER_SECOND 1000000UL
+#define NANOSECOND_PER_SECOND 1000000000UL
+
+#define MILLISECOND_PER_TICK (MILLISECOND_PER_SECOND / RT_TICK_PER_SECOND)
+#define MICROSECOND_PER_TICK (MICROSECOND_PER_SECOND / RT_TICK_PER_SECOND)
+#define NANOSECOND_PER_TICK (NANOSECOND_PER_SECOND / RT_TICK_PER_SECOND)
+
+#ifndef CLOCK_REALTIME
+#define CLOCK_REALTIME 1
+#endif
+
+#define CLOCK_CPUTIME_ID 2
+
+#ifndef CLOCK_PROCESS_CPUTIME_ID
+#define CLOCK_PROCESS_CPUTIME_ID CLOCK_CPUTIME_ID
+#endif
+#ifndef CLOCK_THREAD_CPUTIME_ID
+#define CLOCK_THREAD_CPUTIME_ID CLOCK_CPUTIME_ID
+#endif
+
+#ifndef CLOCK_MONOTONIC
+#define CLOCK_MONOTONIC 4
+#endif
+#endif /* defined(RT_USING_POSIX_CLOCK) || defined (RT_USING_POSIX_TIMER) */
+
+#ifdef RT_USING_POSIX_CLOCK
+int clock_getres (clockid_t clockid, struct timespec *res);
+int clock_gettime (clockid_t clockid, struct timespec *tp);
+int clock_settime (clockid_t clockid, const struct timespec *tp);
+int clock_nanosleep(clockid_t clockid, int flags, const struct timespec *rqtp, struct timespec *rmtp);
+int rt_timespec_to_tick(const struct timespec *time);
+#endif /* RT_USING_POSIX_CLOCK */
+
+#ifdef RT_USING_POSIX_TIMER
+#include "signal.h"
+int timer_create(clockid_t clockid, struct sigevent *evp, timer_t *timerid);
+int timer_delete(timer_t timerid);
+int timer_getoverrun(timer_t timerid);
+int timer_gettime(timer_t timerid, struct itimerspec *its);
+int timer_settime(timer_t timerid, int flags, const struct itimerspec *value,
+ struct itimerspec *ovalue);
+#endif /* RT_USING_POSIX_TIMER */
+
+/* timezone */
+void tz_set(int8_t tz);
+int8_t tz_get(void);
+int8_t tz_is_dst(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _SYS_TIME_H_ */
diff --git a/components/libc/compilers/common/include/sys/unistd.h b/components/libc/compilers/common/include/sys/unistd.h
new file mode 100644
index 0000000000..0eaf52423c
--- /dev/null
+++ b/components/libc/compilers/common/include/sys/unistd.h
@@ -0,0 +1,57 @@
+/*
+ * Copyright (c) 2006-2022, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date Author Notes
+ * 2020-12-16 Meco Man add usleep
+ * 2021-09-11 Meco Man move functions from dfs_posix.h to unistd.h
+ */
+
+#ifndef __SYS_UNISTD_H__
+#define __SYS_UNISTD_H__
+
+#include <stddef.h>
+#include <sys/types.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define STDIN_FILENO 0 /* standard input file descriptor */
+#define STDOUT_FILENO 1 /* standard output file descriptor */
+#define STDERR_FILENO 2 /* standard error file descriptor */
+
+unsigned alarm(unsigned __secs);
+ssize_t read(int fd, void *buf, size_t len);
+ssize_t write(int fd, const void *buf, size_t len);
+off_t lseek(int fd, off_t offset, int whence);
+int pause(void);
+int fsync(int fildes);
+long sysconf(int __name);
+int unlink(const char *pathname);
+int close(int d);
+int ftruncate(int fd, off_t length);
+int rmdir(const char *path);
+int chdir(const char *path);
+char *getcwd(char *buf, size_t size);
+int access(const char *path, int amode);
+int pipe(int fildes[2]);
+int isatty(int fd);
+char *ttyname(int desc);
+unsigned int sleep(unsigned int seconds);
+int usleep(useconds_t usec);
+pid_t gettid(void);
+pid_t getpid(void);
+pid_t getppid(void);
+uid_t getuid(void);
+uid_t geteuid(void);
+gid_t getgid(void);
+gid_t getegid(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _SYS_UNISTD_H */
diff --git a/components/libc/compilers/common/include/sys/vfs.h b/components/libc/compilers/common/include/sys/vfs.h
new file mode 100644
index 0000000000..25b36877f8
--- /dev/null
+++ b/components/libc/compilers/common/include/sys/vfs.h
@@ -0,0 +1,16 @@
+/*
+ * Copyright (c) 2006-2022, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date Author Notes
+ * 2021-09-11 Meco Man First version
+ */
+
+#ifndef __SYS_VFS_H__
+#define __SYS_VFS_H__
+
+#include "statfs.h" /* <sys/statfs.h> */
+
+#endif
diff --git a/components/libc/compilers/common/include/unistd.h b/components/libc/compilers/common/include/unistd.h
new file mode 100644
index 0000000000..6e63bc94d8
--- /dev/null
+++ b/components/libc/compilers/common/include/unistd.h
@@ -0,0 +1,10 @@
+/*
+ * Copyright (c) 2006-2022, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date Author Notes
+ */
+
+#include "sys/unistd.h"