33 lines
642 B
C
33 lines
642 B
C
#include <signal.h>
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#include <sys/signal.h>
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#include <syscall.h>
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#include <syscall_nums.h>
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#include <errno.h>
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DEFN_SYSCALL0(sigsuspend_cur, SYS_SIGSUSPEND);
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int sigsuspend(const sigset_t * restrict set) {
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sigset_t old;
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sigprocmask(SIG_SETMASK, set, &old);
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int ret = syscall_sigsuspend_cur();
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if (ret < 0) { errno = -ret; ret = -1; }
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sigprocmask(SIG_SETMASK, &old, NULL);
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return ret;
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}
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DEFN_SYSCALL2(sigwait,SYS_SIGWAIT,const sigset_t *,int *);
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int sigwait(const sigset_t * set, int * sig) {
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int res;
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do {
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res = syscall_sigwait(set,sig);
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} while (res == -EINTR);
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if (res < 0) {
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res = -res;
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errno = res;
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}
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return res;
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}
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