Merge pull request #4879 from mysterywolf/signal

[rtlibc] remove libc_signal.h and libc_fdset.h

6 files changed, 254 insertions, 6 deletions

diff --git a/components/libc/compilers/common/none-gcc/sys/errno.h b/components/libc/compilers/common/none-gcc/sys/errno.h
index ad3614024d..ff1abca387 100644
--- a/components/libc/compilers/common/none-gcc/sys/errno.h
+++ b/components/libc/compilers/common/none-gcc/sys/errno.h
@@ -7,8 +7,8 @@
  * Date           Author       Notes
  * 2021-05-22     Meco Man     The first version.
  */
-#ifndef _SYS_ERRNO_H
-#define _SYS_ERRNO_H
+#ifndef __SYS_ERRNO_H__
+#define __SYS_ERRNO_H__
 
 #if defined(__ARMCC_VERSION)
 /*
diff --git a/components/libc/compilers/common/none-gcc/sys/stat.h b/components/libc/compilers/common/none-gcc/sys/stat.h
index c4b42083c4..c8f65df435 100644
--- a/components/libc/compilers/common/none-gcc/sys/stat.h
+++ b/components/libc/compilers/common/none-gcc/sys/stat.h
@@ -6,3 +6,8 @@
  * Change Logs:
  * Date           Author       Notes
  */
+
+ #ifndef __SYS_STAT_H__
+ #define __SYS_STAT_H__
+
+ #endif
diff --git a/components/libc/compilers/common/none-gcc/sys/types.h b/components/libc/compilers/common/none-gcc/sys/types.h
index 7222326a2a..e9f44f7762 100644
--- a/components/libc/compilers/common/none-gcc/sys/types.h
+++ b/components/libc/compilers/common/none-gcc/sys/types.h
@@ -8,8 +8,8 @@
  * 2020-09-05     Meco Man     fix bugs
  * 2020-12-16     Meco Man     add useconds_t
  */
-#ifndef __TYPES_H__
-#define __TYPES_H__
+#ifndef __SYS_TYPES_H__
+#define __SYS_TYPES_H__
 
 #include <stdint.h>
 
diff --git a/components/libc/compilers/common/none-gcc/sys/unistd.h b/components/libc/compilers/common/none-gcc/sys/unistd.h
index 2f01f660b3..ea2d674b0f 100644
--- a/components/libc/compilers/common/none-gcc/sys/unistd.h
+++ b/components/libc/compilers/common/none-gcc/sys/unistd.h
@@ -7,8 +7,8 @@
  * Date           Author       Notes
  * 2020-12-16     Meco Man     add usleep
  */
-#ifndef _SYS_UNISTD_H
-#define _SYS_UNISTD_H
+#ifndef __SYS_UNISTD_H__
+#define __SYS_UNISTD_H__
 
 #include <rtconfig.h>
 #include "types.h"
diff --git a/components/libc/compilers/common/sys/select.h b/components/libc/compilers/common/sys/select.h
new file mode 100644
index 0000000000..db42b6ebcc
--- /dev/null
+++ b/components/libc/compilers/common/sys/select.h
@@ -0,0 +1,49 @@
+/*
+ * Copyright (c) 2006-2021, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2021-07-21     Meco Man     The first version
+ */
+
+#ifndef __SYS_SELECT_H__
+#define __SYS_SELECT_H__
+
+#include <rtconfig.h>
+#include <sys/types.h>
+
+#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 */
+
+#define   NBBY    8       /* number of bits in a byte */
+
+typedef long    fd_mask;
+
+#define   NFDBITS (sizeof (fd_mask) * NBBY)   /* bits per mask */
+#ifndef   howmany
+#define   howmany(x,y)    (((x)+((y)-1))/(y))
+#endif
+
+#ifndef _SYS_TYPES_FD_SET /* MIPS */
+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)      memset((void*)(p), 0, sizeof(*(p)))
+#endif /* _SYS_TYPES_FD_SET */
+
+#endif /* __SYS_SELECT_H__ */
diff --git a/components/libc/compilers/common/sys/signal.h b/components/libc/compilers/common/sys/signal.h
new file mode 100644
index 0000000000..9787958a37
--- /dev/null
+++ b/components/libc/compilers/common/sys/signal.h
@@ -0,0 +1,194 @@
+/*
+ * Copyright (c) 2006-2021, 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>
+
+/*  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;
+};
+
+#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 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 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 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
+