4f294c247f
This patch mainly copies and modifies files existing in the current libc implementing minix specific functions. To keep consisten with the NetBSD libc, we remove namespace stubs and we use "namespace.h" and weak links.
33 lines
862 B
C
33 lines
862 B
C
#include <sys/cdefs.h>
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#include <lib.h>
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#include "namespace.h"
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#include <signal.h>
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#include <sys/signal.h>
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#ifdef __weak_alias
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__weak_alias(sigreturn, _sigreturn)
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#endif
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int sigreturn(scp)
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register struct sigcontext *scp;
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{
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sigset_t set;
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/* The message can't be on the stack, because the stack will vanish out
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* from under us. The send part of sendrec will succeed, but when
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* a message is sent to restart the current process, who knows what will
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* be in the place formerly occupied by the message?
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*/
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static message m;
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/* Protect against race conditions by blocking all interrupts. */
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sigfillset(&set); /* splhi */
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sigprocmask(SIG_SETMASK, &set, (sigset_t *) NULL);
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m.m2_l1 = scp->sc_mask;
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m.m2_i2 = scp->sc_flags;
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m.m2_p1 = (char *) scp;
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return(_syscall(PM_PROC_NR, SIGRETURN, &m)); /* normally this doesn't return */
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}
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