summary refs log tree commit diff
path: root/arch/um/os-Linux/skas
diff options
context:
space:
mode:
authorJeff Dike <jdike@addtoit.com>2007-10-16 01:27:27 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-16 09:43:08 -0700
commit61b63c556c0877ee6d3832ee641bc427ff4d94d6 (patch)
treee35a047a7b11f349d3d68ac18639bc33801ec001 /arch/um/os-Linux/skas
parent5f734614fc6218db352d26571ab4d1604620199c (diff)
downloadlinux-61b63c556c0877ee6d3832ee641bc427ff4d94d6.tar.gz
uml: eliminate SIGALRM
Now that ITIMER_REAL is no longer used, there is no need for any use of
SIGALRM whatsoever.  This patch removes all mention of it.

In addition, real_alarm_handler took a signal argument which is now always
SIGVTALRM.  So, that is gone.

Signed-off-by: Jeff Dike <jdike@linux.intel.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/um/os-Linux/skas')
-rw-r--r--arch/um/os-Linux/skas/process.c4
-rw-r--r--arch/um/os-Linux/skas/trap.c5
2 files changed, 3 insertions, 6 deletions
diff --git a/arch/um/os-Linux/skas/process.c b/arch/um/os-Linux/skas/process.c
index 3e64814e888e..9936531a2620 100644
--- a/arch/um/os-Linux/skas/process.c
+++ b/arch/um/os-Linux/skas/process.c
@@ -222,7 +222,6 @@ static int userspace_tramp(void *stack)
 		sigemptyset(&sa.sa_mask);
 		sigaddset(&sa.sa_mask, SIGIO);
 		sigaddset(&sa.sa_mask, SIGWINCH);
-		sigaddset(&sa.sa_mask, SIGALRM);
 		sigaddset(&sa.sa_mask, SIGVTALRM);
 		sigaddset(&sa.sa_mask, SIGUSR1);
 		sa.sa_flags = SA_ONSTACK;
@@ -539,8 +538,7 @@ int start_idle_thread(void *stack, jmp_buf *switch_buf)
 	int n;
 
 	set_handler(SIGWINCH, (__sighandler_t) sig_handler,
-		    SA_ONSTACK | SA_RESTART, SIGUSR1, SIGIO, SIGALRM,
-		    SIGVTALRM, -1);
+		    SA_ONSTACK | SA_RESTART, SIGUSR1, SIGIO, SIGVTALRM, -1);
 
 	/*
 	 * Can't use UML_SETJMP or UML_LONGJMP here because they save
diff --git a/arch/um/os-Linux/skas/trap.c b/arch/um/os-Linux/skas/trap.c
index e53face44200..3b1b9244f468 100644
--- a/arch/um/os-Linux/skas/trap.c
+++ b/arch/um/os-Linux/skas/trap.c
@@ -58,9 +58,8 @@ void sig_handler_common_skas(int sig, void *sc_ptr)
 
 	handler = sig_info[sig];
 
-	/* unblock SIGALRM, SIGVTALRM, SIGIO if sig isn't IRQ signal */
-	if (sig != SIGIO && sig != SIGWINCH &&
-	    sig != SIGVTALRM && sig != SIGALRM)
+	/* unblock SIGVTALRM, SIGIO if sig isn't IRQ signal */
+	if ((sig != SIGIO) && (sig != SIGWINCH) && (sig != SIGVTALRM))
 		unblock_signals();
 
 	handler(sig, r);