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[/] [openrisc/] [trunk/] [gnu-src/] [newlib-1.18.0/] [newlib/] [libc/] [sys/] [linux/] [sig.c] - Rev 207
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/* libc/sys/linux/signal.c - Signal handling functions */ /* Written 2000 by Werner Almesberger */ #include <signal.h> #include <unistd.h> #include <sys/types.h> #include <machine/syscall.h> /* avoid name space pollution */ #define __NR___sgetmask __NR_sgetmask #define __NR___ssetmask __NR_ssetmask #define __NR___rt_sigtimedwait __NR_rt_sigtimedwait #define __NR___rt_sigpending __NR_rt_sigpending #define __NR___rt_sigprocmask __NR_rt_sigprocmask #define __NR___rt_sigsuspend __NR_rt_sigsuspend _syscall2(int,kill,pid_t,pid,int,sig) _syscall2(__sighandler_t,signal,int,signum,__sighandler_t,handler) _syscall0(int,pause) _syscall1(unsigned int,alarm,unsigned int,seconds) static _syscall2(int,__rt_sigpending,sigset_t *,set,size_t,size) static _syscall4(int,__rt_sigprocmask,int,how,const sigset_t *,set,sigset_t *,oldset,size_t,size) static _syscall2(int,__rt_sigsuspend,const sigset_t *,mask,size_t,size) static _syscall4(int,__rt_sigtimedwait,const sigset_t *,set,siginfo_t *,info,struct timespec *,timeout,size_t,size) int __sigsuspend (const sigset_t *mask) { return __rt_sigsuspend(mask, NSIG/8); } weak_alias(__sigsuspend,sigsuspend) int sigmask(int signum) /* BSD */ { return 1 << signum; } int __libc_raise(int sig) { return kill(getpid(),sig); } weak_alias(__libc_raise,raise) int __sigpending(sigset_t *set) { return __rt_sigpending(set, NSIG/8); } weak_alias(__sigpending,sigpending) int __sigprocmask (int how,const sigset_t *set,sigset_t *oldset) { return __rt_sigprocmask(how, set, oldset, NSIG/8); } weak_alias(__sigprocmask,sigprocmask) int sigtimedwait(const sigset_t *set, siginfo_t *info, struct timespec *timeout) { return __rt_sigtimedwait(set, info, timeout, NSIG/8); } int sigwaitinfo(const sigset_t *set, siginfo_t *info) { return __rt_sigtimedwait(set, info, NULL, NSIG/8); } #if !defined(_ELIX_LEVEL) || _ELIX_LEVEL >= 4 static _syscall1(int,__ssetmask,int,newmask) static _syscall0(int,__sgetmask) int sigblock(int mask) /* BSD */ { return __ssetmask(mask | __sgetmask()); } int sigsetmask(int newmask) /* BSD */ { return __ssetmask(newmask); } #endif const char *const sys_siglist[] = { #include "siglist.inc" };