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Matheus
34 lines
715 B
C
34 lines
715 B
C
#include <kernel/syscalls.h>
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#include <kernel/signal.h>
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#include <time.h>
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#include <logging.h>
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syscallret_t syscall_sigtimedwait(context_t *, sigset_t *uset, siginfo_t *uinfo, timespec_t *utimeout) {
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syscallret_t ret = {
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.ret = -1
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};
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sigset_t set;
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timespec_t timeout;
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siginfo_t info;
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int signum;
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ret.errno = usercopy_fromuser(&set, uset, sizeof(sigset_t));
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if (ret.errno)
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return ret;
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ret.errno = usercopy_fromuser(&timeout, utimeout, sizeof(timespec_t));
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if (ret.errno)
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return ret;
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ret.errno = signal_wait(&set, &timeout, &info, &signum);
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if (ret.errno)
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return ret;
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if (uinfo)
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ret.errno = usercopy_touser(uinfo, &info, sizeof(siginfo_t));
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ret.ret = ret.errno ? -1 : 0;
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return ret;
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}
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