Bug 6864 - drop realtime priority on ALL external processes

git-svn-id: http://svn.digium.com/svn/asterisk/branches/1.2@24019 f38db490-d61c-443f-a65b-d21fe96a405b

9 files changed, 29 insertions, 0 deletions

diff --git a/apps/app_externalivr.c b/apps/app_externalivr.c
index a53a59532..b61ddd99a 100644
--- a/apps/app_externalivr.c
+++ b/apps/app_externalivr.c
@@ -44,6 +44,7 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
 #include "asterisk/module.h"
 #include "asterisk/linkedlists.h"
 #include "asterisk/app.h"
+#include "asterisk/options.h"
 
 static const char *tdesc = "External IVR Interface Application";
 
@@ -313,6 +314,9 @@ static int app_exec(struct ast_channel *chan, void *data)
 		/* child process */
 		int i;
 
+		if (option_highpriority)
+			ast_set_priority(0);
+
 		dup2(child_stdin[0], STDIN_FILENO);
 		dup2(child_stdout[1], STDOUT_FILENO);
 		dup2(child_stderr[1], STDERR_FILENO);
diff --git a/apps/app_festival.c b/apps/app_festival.c
index d3bd1e9b9..de1830fd2 100644
--- a/apps/app_festival.c
+++ b/apps/app_festival.c
@@ -53,6 +53,7 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
 #include "asterisk/config.h"
 #include "asterisk/utils.h"
 #include "asterisk/lock.h"
+#include "asterisk/options.h"
 
 #define FESTIVAL_CONFIG "festival.conf"
 
@@ -136,6 +137,9 @@ static int send_waveform_to_fd(char *waveform, int length, int fd) {
                 if (x != fd)
                         close(x);
         }
+	if (option_highpriority)
+		ast_set_priority(0);
+
 /*IAS */
 #ifdef __PPC__  
 	for( x=0; x<length; x+=2)
diff --git a/apps/app_ices.c b/apps/app_ices.c
index 4c1505584..85f4159ec 100644
--- a/apps/app_ices.c
+++ b/apps/app_ices.c
@@ -44,6 +44,7 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
 #include "asterisk/pbx.h"
 #include "asterisk/module.h"
 #include "asterisk/translate.h"
+#include "asterisk/options.h"
 
 #define ICES "/usr/bin/ices"
 #define LOCAL_ICES "/usr/local/bin/ices"
@@ -72,6 +73,8 @@ static int icesencode(char *filename, int fd)
 		ast_log(LOG_WARNING, "Fork failed\n");
 	if (res)
 		return res;
+	if (option_highpriority)
+		ast_set_priority(0);
 	dup2(fd, STDIN_FILENO);
 	for (x=STDERR_FILENO + 1;x<256;x++) {
 		if ((x != STDIN_FILENO) && (x != STDOUT_FILENO))
diff --git a/apps/app_mp3.c b/apps/app_mp3.c
index ee78840ec..31fc32096 100644
--- a/apps/app_mp3.c
+++ b/apps/app_mp3.c
@@ -43,6 +43,7 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
 #include "asterisk/pbx.h"
 #include "asterisk/module.h"
 #include "asterisk/translate.h"
+#include "asterisk/options.h"
 
 #define LOCAL_MPG_123 "/usr/local/bin/mpg123"
 #define MPG_123 "/usr/bin/mpg123"
@@ -71,6 +72,8 @@ static int mp3play(char *filename, int fd)
 		ast_log(LOG_WARNING, "Fork failed\n");
 	if (res)
 		return res;
+	if (option_highpriority)
+		ast_set_priority(0);
 	dup2(fd, STDOUT_FILENO);
 	for (x=0;x<256;x++) {
 		if (x != STDOUT_FILENO)
diff --git a/apps/app_nbscat.c b/apps/app_nbscat.c
index e1fb921c4..adc232373 100644
--- a/apps/app_nbscat.c
+++ b/apps/app_nbscat.c
@@ -44,6 +44,7 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
 #include "asterisk/pbx.h"
 #include "asterisk/module.h"
 #include "asterisk/translate.h"
+#include "asterisk/options.h"
 
 #define LOCAL_NBSCAT "/usr/local/bin/nbscat8k"
 #define NBSCAT "/usr/bin/nbscat8k"
@@ -75,6 +76,9 @@ static int NBScatplay(int fd)
 		ast_log(LOG_WARNING, "Fork failed\n");
 	if (res)
 		return res;
+	if (option_highpriority)
+		ast_set_priority(0);
+
 	dup2(fd, STDOUT_FILENO);
 	for (x=0;x<256;x++) {
 		if (x != STDOUT_FILENO)
diff --git a/apps/app_zapras.c b/apps/app_zapras.c
index 4a94f34ba..904badcb0 100644
--- a/apps/app_zapras.c
+++ b/apps/app_zapras.c
@@ -96,6 +96,10 @@ static pid_t spawn_ras(struct ast_channel *chan, char *args)
 	/* Execute RAS on File handles */
 	dup2(chan->fds[0], STDIN_FILENO);
 
+	/* Drop high priority */
+	if (option_highpriority)
+		ast_set_priority(0);
+
 	/* Close other file descriptors */
 	for (x=STDERR_FILENO + 1;x<1024;x++) 
 		close(x);
diff --git a/asterisk.c b/asterisk.c
index 5e1423e86..c62442d09 100644
--- a/asterisk.c
+++ b/asterisk.c
@@ -443,6 +443,8 @@ int ast_safe_system(const char *s)
 	pid = fork();
 
 	if (pid == 0) {
+		if (option_highpriority)
+			ast_set_priority(0);
 		/* Close file descriptors and launch system command */
 		for (x = STDERR_FILENO + 1; x < 4096; x++)
 			close(x);
diff --git a/include/asterisk/options.h b/include/asterisk/options.h
index fd8f3aadb..7a71cdcb0 100644
--- a/include/asterisk/options.h
+++ b/include/asterisk/options.h
@@ -44,6 +44,7 @@ extern int option_timestamp;
 extern int option_transcode_slin;
 extern int option_transmit_silence_during_record;
 extern int option_maxcalls;
+extern int option_highpriority;
 extern double option_maxload;
 extern int option_dontwarn;
 extern int option_priority_jumping;
diff --git a/res/res_musiconhold.c b/res/res_musiconhold.c
index d31bf08ac..a90585b21 100644
--- a/res/res_musiconhold.c
+++ b/res/res_musiconhold.c
@@ -440,6 +440,10 @@ static int spawn_mp3(struct mohclass *class)
 	}
 	if (!class->pid) {
 		int x;
+
+		if (option_highpriority)
+			ast_set_priority(0);
+
 		close(fds[0]);
 		/* Stdout goes to pipe */
 		dup2(fds[1], STDOUT_FILENO);