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Project/Src/rt-thread/include/libc/libc_signal.h

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+/*
+ * Copyright (c) 2006-2018, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2017-09-12     Bernard      The first version
+ */
+
+#ifndef LIBC_SIGNAL_H__
+#define LIBC_SIGNAL_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifdef HAVE_CCONFIG_H
+#include <cconfig.h>
+#endif
+
+#ifndef HAVE_SIGVAL
+/*  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 */
+};
+#endif
+
+#ifndef HAVE_SIGEVENT
+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 */
+};
+#endif
+
+#ifndef HAVE_SIGINFO
+struct siginfo
+{
+    rt_uint16_t si_signo;
+    rt_uint16_t si_code;
+
+    union sigval si_value;
+};
+typedef struct siginfo siginfo_t;
+#endif
+
+#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. */
+
+#ifdef RT_USING_NEWLIB
+#include <sys/signal.h>
+#endif
+
+#if defined(__CC_ARM) || defined(__CLANG_ARM)
+#include <signal.h>
+typedef unsigned long sigset_t;
+
+#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
+
+#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 */
+
+typedef void (*_sig_func_ptr)(int);
+
+struct sigaction 
+{
+    _sig_func_ptr sa_handler;
+    sigset_t sa_mask;
+    int sa_flags;
+};
+
+#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);
+
+#elif defined(__IAR_SYSTEMS_ICC__)
+#include <signal.h>
+typedef unsigned long sigset_t;
+
+#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
+
+#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 */
+
+typedef void (*_sig_func_ptr)(int);
+
+struct sigaction 
+{
+    _sig_func_ptr sa_handler;
+    sigset_t sa_mask;
+    int sa_flags;
+};
+
+#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);
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+