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Matheus
22 lines
372 B
C
22 lines
372 B
C
#include <kernel/syscalls.h>
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#include <arch/cpu.h>
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syscallret_t syscall_sigaltstack(context_t *, stack_t *new, stack_t *old) {
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syscallret_t ret = {
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.ret = -1
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};
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stack_t newtmp, oldtmp;
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if (new)
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newtmp = *new;
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signal_altstack(_cpu()->thread, 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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