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Bug#45288: pb2 returns a lot of compilation warnings on linux

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Fix warnings flagged by the new warning option -Wunused-but-set-variable
that was added to GCC 4.6 and that is enabled by -Wunused and -Wall. The
option causes a warning whenever a local variable is assigned to but is
later unused. It also warns about meaningless pointer dereferences.
This commit is contained in:
Davi Arnaut
2010-07-20 15:07:36 -03:00
parent d676c3ff0e
commit c96b249fc3
34 changed files with 155 additions and 174 deletions
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5
include/my_pthread.h
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@@ -269,13 +269,14 @@ int sigwait(sigset_t *setp, int *sigp); /* Use our implemention */
we want to make sure that no such flags are set.
*/
#if defined(HAVE_SIGACTION) && !defined(my_sigset)
#define my_sigset(A,B) do { struct sigaction l_s; sigset_t l_set; int l_rc; \
#define my_sigset(A,B) do { struct sigaction l_s; sigset_t l_set; \
IF_DBUG(int l_rc); \
DBUG_ASSERT((A) != 0); \
sigemptyset(&l_set); \
l_s.sa_handler = (B); \
l_s.sa_mask = l_set; \
l_s.sa_flags = 0; \
l_rc= sigaction((A), &l_s, (struct sigaction *) NULL);\
IF_DBUG(l_rc=) sigaction((A), &l_s, NULL); \
DBUG_ASSERT(l_rc == 0); \
} while (0)
#elif defined(HAVE_SIGSET) && !defined(my_sigset)