rt_sigprocmask(SIG_BLOCK, [CHLD], [], 8) = 0
rt_sigaction(SIGINT, {0x43a340, [], SA_RESTORER, 0x7feee63d8f60}, {0x44a9e0, [], SA_RESTORER, 0x7feee63d8f60}, 8) = 0
wait4(-1, [{WIFEXITED(s) && WEXITSTATUS(s) == 1}], 0, NULL) = 15216
wait4(-1, [{WIFEXITED(s) && WEXITSTATUS(s) == 0}], 0, NULL) = 15217
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
--- SIGCHLD (Child exited) @ 0 (0) ---
wait4(-1, 0x7fffe1c2b274, WNOHANG, NULL) = -1 ECHILD (No child processes)
rt_sigreturn(0x8)                       = 0
rt_sigaction(SIGINT, {0x44a9e0, [], SA_RESTORER, 0x7feee63d8f60}, {0x43a340, [], SA_RESTORER, 0x7feee63d8f60}, 8) = 0
rt_sigprocmask(SIG_BLOCK, [CHLD], [], 8) = 0
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
rt_sigprocmask(SIG_BLOCK, [CHLD], [], 8) = 0
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
rt_sigprocmask(SIG_BLOCK, [CHLD], [], 8) = 0
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
rt_sigprocmask(SIG_BLOCK, [CHLD], [], 8) = 0
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
rt_sigprocmask(SIG_BLOCK, [CHLD], [], 8) = 0
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8)  = 0
stat("/var/run/mysqld/mysqld.pid", 0x7fffe1c2bf60) = -1 ENOENT (No such file or directory)
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
write(1, "STOPPING server from pid file /va"..., 57STOPPING server from pid file /var/run/mysqld/mysqld.pid
) = 57
rt_sigprocmask(SIG_BLOCK, NULL, [], 8)  = 0
read(255, "\necho \"ended\" | $ERR_LOGGER -s\n"..., 8176) = 31
rt_sigprocmask(SIG_BLOCK, NULL, [], 8)  = 0
rt_sigprocmask(SIG_BLOCK, [CHLD], [], 8) = 0
pipe([3, 4])                            = 0
rt_sigprocmask(SIG_BLOCK, [INT CHLD], [CHLD], 8) = 0
clone(child_stack=0, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x7feee6d49770) = 15223
rt_sigprocmask(SIG_SETMASK, [CHLD], NULL, 8) = 0
close(4)                                = 0
close(4)                                = -1 EBADF (Bad file descriptor)
rt_sigprocmask(SIG_BLOCK, [INT CHLD], [CHLD], 8) = 0
clone(child_stack=0, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x7feee6d49770) = 15224
rt_sigprocmask(SIG_SETMASK, [CHLD], NULL, 8) = 0
close(3)                                = 0
rt_sigprocmask(SIG_BLOCK, [CHLD], [CHLD], 8) = 0
rt_sigprocmask(SIG_SETMASK, [CHLD], NULL, 8) = 0
rt_sigprocmask(SIG_BLOCK, [CHLD], [CHLD], 8) = 0
rt_sigaction(SIGINT, {0x43a340, [], SA_RESTORER, 0x7feee63d8f60}, {0x44a9e0, [], SA_RESTORER, 0x7feee63d8f60}, 8) = 0
wait4(-1, [{WIFEXITED(s) && WEXITSTATUS(s) == 0}], 0, NULL) = 15223
wait4(-1, mysqld_safe[15224]: ended
[{WIFEXITED(s) && WEXITSTATUS(s) == 0}], 0, NULL) = 15224
rt_sigprocmask(SIG_SETMASK, [CHLD], NULL, 8) = 0
rt_sigaction(SIGINT, {0x44a9e0, [], SA_RESTORER, 0x7feee63d8f60}, {0x43a340, [], SA_RESTORER, 0x7feee63d8f60}, 8) = 0
close(3)                                = -1 EBADF (Bad file descriptor)
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
--- SIGCHLD (Child exited) @ 0 (0) ---
wait4(-1, 0x7fffe1c2c554, WNOHANG, NULL) = -1 ECHILD (No child processes)
rt_sigreturn(0x8)                       = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8)  = 0
read(255, ""..., 8176)                  = 0
exit_group(0)                           = ?