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Matheus
30 lines
561 B
C
30 lines
561 B
C
#include <kernel/syscalls.h>
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#include <arch/cpu.h>
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#include <logging.h>
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syscallret_t syscall_sigaction(context_t *, int sig, sigaction_t *new, sigaction_t *old) {
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syscallret_t ret = {
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.ret = -1
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};
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if (sig > NSIG || sig == SIGKILL || sig == SIGSTOP) {
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ret.errno = EINVAL;
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return ret;
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}
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sigaction_t newtmp, oldtmp;
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if (new) {
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newtmp = *new;
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__assert(newtmp.flags & SA_RESTORER);
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}
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signal_action(_cpu()->thread->proc, sig, new ? &newtmp : NULL, old ? &oldtmp : NULL);
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if (old)
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*old = oldtmp;
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ret.errno = 0;
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ret.ret = 0;
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return ret;
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}
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