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it is possible for some of the real time signals to be used by glibc,

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which then changes SIGRTMIN. It is also possible for bash to leave
some real time signals blocked at startup. This fixes both problems.
This commit is contained in:
Andrew Tridgell 0001-01-01 00:00:00 +00:00
parent 662e1bea1b
commit 8d45bf644a
3 changed files with 12 additions and 2 deletions
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4
source/include/includes.h
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@ -891,6 +891,10 @@ struct printjob;
#define SIGCLD SIGCHLD
#endif
#ifndef SIGRTMIN
#define SIGRTMIN 32
#endif
#ifndef MAP_FILE
#define MAP_FILE 0
#endif

5
source/smbd/notify_kernel.c
View File

@ -39,7 +39,7 @@ static SIG_ATOMIC_T signals_received;
#ifndef RT_SIGNAL_NOTIFY
#define RT_SIGNAL_NOTIFY 34
#define RT_SIGNAL_NOTIFY (SIGRTMIN+2)
#endif
#ifndef F_SETSIG
@ -233,6 +233,9 @@ struct cnotify_fns *kernel_notify_init(void)
cnotify.remove_notify = kernel_remove_notify;
cnotify.select_time = -1;
/* the signal can start off blocked due to a bug in bash */
BlockSignals(False, RT_SIGNAL_NOTIFY);
return &cnotify;
}

5
source/smbd/oplock_linux.c
View File

@ -39,7 +39,7 @@ static SIG_ATOMIC_T fd_pending_array[FD_PENDING_SIZE];
#endif
#ifndef RT_SIGNAL_LEASE
#define RT_SIGNAL_LEASE 33
#define RT_SIGNAL_LEASE (SIGRTMIN+1)
#endif
#ifndef F_SETSIG
@ -296,6 +296,9 @@ struct kernel_oplocks *linux_init_kernel_oplocks(void)
koplocks.msg_waiting = linux_oplock_msg_waiting;
koplocks.notification_fd = -1;
/* the signal can start off blocked due to a bug in bash */
BlockSignals(False, RT_SIGNAL_LEASE);
DEBUG(3,("Linux kernel oplocks enabled\n"));
return &koplocks;