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Bug#54667: Unnecessary signal handler redefinition

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POSIX requires that a signal handler defined with sigaction()
is not reset on delivering a signal unless SA_NODEFER or
SA_RESETHAND is set. It is therefore unnecessary to redefine
the handler on signal delivery on platforms where sigaction()
is used without those flags.
This commit is contained in:
Alexey Kopytov
2010-07-01 12:02:00 +04:00
parent f48306344a
commit ac89d92625
5 changed files with 11 additions and 11 deletions
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2
libmysql/libmysql.c
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@ -328,7 +328,7 @@ sig_handler
my_pipe_sig_handler(int sig __attribute__((unused)))
{
DBUG_PRINT("info",("Hit by signal %d",sig));
#ifdef DONT_REMEMBER_SIGNAL
#ifdef SIGNAL_HANDLER_RESET_ON_DELIVERY
(void) signal(SIGPIPE, my_pipe_sig_handler);
#endif
}