diff options
author | Darren Tucker <dtucker@dtucker.net> | 2018-02-11 21:25:11 +1300 |
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committer | Darren Tucker <dtucker@dtucker.net> | 2018-02-11 21:24:48 +1100 |
commit | fbfa6f980d7460b3e12b0ce88ed3b6018edf4711 (patch) | |
tree | 0c75a95f5f6e2a1e7d2de891f7b7476e41574f56 /openbsd-compat/bsd-signal.c | |
parent | 24d2a33bd3bf5170700bfdd8675498aa09a79eab (diff) |
Move signal compat code into bsd-signal.{c,h}
Diffstat (limited to 'openbsd-compat/bsd-signal.c')
-rw-r--r-- | openbsd-compat/bsd-signal.c | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/openbsd-compat/bsd-signal.c b/openbsd-compat/bsd-signal.c new file mode 100644 index 00000000..979010e8 --- /dev/null +++ b/openbsd-compat/bsd-signal.c @@ -0,0 +1,62 @@ +/* + * Copyright (c) 1999-2004 Damien Miller <djm@mindrot.org> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include "includes.h" + +#include <signal.h> +#include <string.h> +#include <unistd.h> + +#include "openbsd-compat/bsd-signal.h" + +#undef signal + +mysig_t +mysignal(int sig, mysig_t act) +{ +#ifdef HAVE_SIGACTION + struct sigaction sa, osa; + + if (sigaction(sig, NULL, &osa) == -1) + return (mysig_t) -1; + if (osa.sa_handler != act) { + memset(&sa, 0, sizeof(sa)); + sigemptyset(&sa.sa_mask); + sa.sa_flags = 0; +#ifdef SA_INTERRUPT + if (sig == SIGALRM) + sa.sa_flags |= SA_INTERRUPT; +#endif + sa.sa_handler = act; + if (sigaction(sig, &sa, NULL) == -1) + return (mysig_t) -1; + } + return (osa.sa_handler); +#else + return (signal(sig, act)); +#endif +} + +#if !defined(HAVE_STRSIGNAL) +char *strsignal(int sig) +{ + static char buf[16]; + + (void)snprintf(buf, sizeof(buf), "%d", sig); + return buf; +} +#endif + |