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signal.c: no sigsegv handler with valgrind

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* signal.c: disable handling signals to dump core, if installing
  unreserved signals failed, not valgrind to hang on Mac OS.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59052 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2017-06-09 13:02:13 +00:00
parent 9f4db3bcdb
commit a4d8a6e148
1 changed files with 9 additions and 7 deletions
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16
signal.c
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@ -1386,10 +1386,13 @@ sig_list(void)
return h; return h;
} }
#define install_sighandler_fail(signame, signum) \ #define INSTALL_SIGHANDLER(cond, signame, signum) do { \
(reserved_signal_p(signum) ? \ static const char failed[] = "failed to install "signame" handler"; \
rb_bug("failed to install "signame" handler") : \ if (!(cond)) break; \
perror("failed to install "signame" handler")) if (reserved_signal_p(signum)) rb_bug(failed); \
ruby_enable_coredump = 1; \
perror(failed); \
} while (0)
static int static int
install_sighandler(int signum, sighandler_t handler) install_sighandler(int signum, sighandler_t handler)
{ {
@ -1405,8 +1408,7 @@ install_sighandler(int signum, sighandler_t handler)
} }
#ifndef __native_client__ #ifndef __native_client__
# define install_sighandler(signum, handler) \ # define install_sighandler(signum, handler) \
(install_sighandler(signum, handler) ? \ INSTALL_SIGHANDLER(install_sighandler(signum, handler), #signum, signum)
install_sighandler_fail(#signum, signum) : (void)0)
#endif #endif
#if defined(SIGCLD) || defined(SIGCHLD) #if defined(SIGCLD) || defined(SIGCHLD)
@ -1427,7 +1429,7 @@ init_sigchld(int sig)
} }
# ifndef __native_client__ # ifndef __native_client__
# define init_sigchld(signum) \ # define init_sigchld(signum) \
(init_sigchld(signum) ? install_sighandler_fail(#signum, signum) : (void)0) INSTALL_SIGHANDLER(init_sigchld(signum), #signum, signum)
# endif # endif
#endif #endif