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library: Don't use SIGPWR on FreeBSD

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FreeBSD doesn't have SIGPWR so makes no sense in warning and assuming
its 29.

Picked from master, but the file has moved from proc/sig.c to
library/signals.c

References:
 commit 8abd0c92ab
 https://bugs.debian/org/832148

Signed-off-by: Craig Small <csmall@enc.com.au>
This commit is contained in:
Jon Boden 2016-08-28 19:19:05 +10:00 committed by Craig Small
parent b53fb7f8ea
commit 6f8c101e2e
1 changed files with 3 additions and 1 deletions
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4
lib/signals.c
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@ -56,7 +56,7 @@
#endif
/* It seems the SPARC libc does not know the kernel supports SIGPWR. */
#ifndef SIGPWR
#if defined(__linux__) && !defined(SIGPWR)
# warning Your header files lack SIGPWR. (assuming it is number 29)
# define SIGPWR 29
#endif
@ -84,7 +84,9 @@ static const mapstruct sigtable[] = {
{"PIPE", SIGPIPE},
{"POLL", SIGPOLL}, /* IO */
{"PROF", SIGPROF},
#ifdef SIGPWR
{"PWR", SIGPWR},
#endif
{"QUIT", SIGQUIT},
{"SEGV", SIGSEGV},
#ifdef SIGSTKFLT