65 lines
1.5 KiB
Diff
65 lines
1.5 KiB
Diff
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diff -up irqbalance-0.55/irqbalance-0.55/irqbalance.c.orig irqbalance-0.55/irqbalance-0.55/irqbalance.c
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--- irqbalance-0.55/irqbalance-0.55/irqbalance.c.orig 2007-11-01 11:43:24.000000000 -0400
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+++ irqbalance-0.55/irqbalance-0.55/irqbalance.c 2007-11-01 15:00:53.000000000 -0400
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@@ -22,7 +22,11 @@
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#include <stdio.h>
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#include <stdlib.h>
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#include <malloc.h>
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+#include <fcntl.h>
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+#include <string.h>
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#include <sys/time.h>
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+#include <sys/types.h>
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+#include <sys/stat.h>
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#include "irqbalance.h"
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@@ -52,6 +56,9 @@ void sleep_approx(int seconds)
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int main(int argc, char** argv)
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{
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+ int pidf;
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+ char buf[16];
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+
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if (argc>1 && strstr(argv[1],"debug"))
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debug_mode=1;
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if (argc>1 && strstr(argv[1],"oneshot"))
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@@ -67,9 +74,6 @@ int main(int argc, char** argv)
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if (getenv("IRQBALANCE_DEBUG"))
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debug_mode=1;
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- parse_cpu_tree();
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-
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-
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/* On single core UP systems irqbalance obviously has no work to do */
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if (core_count<2)
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exit(EXIT_SUCCESS);
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@@ -82,6 +86,19 @@ int main(int argc, char** argv)
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if (daemon(0,0))
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exit(EXIT_FAILURE);
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+ pidf = open("/var/run/irqbalance.pid",O_RDWR|O_CREAT|O_EXCL,0666);
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+ if (pidf < 0)
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+ exit(EXIT_FAILURE);
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+
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+ snprintf(buf, 16, "%d", getpid());
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+ if (write(pidf, buf, strlen(buf)) < strlen(buf)) {
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+ close(pidf);
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+ unlink("/var/run/irqbalance.pid");
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+ exit(EXIT_FAILURE);
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+ }
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+
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+ close(pidf);
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+
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parse_proc_interrupts();
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sleep(SLEEP_INTERVAL/4);
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reset_counts();
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@@ -134,5 +151,8 @@ int main(int argc, char** argv)
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break;
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counter++;
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}
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+
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+ unlink("/var/run/irqbalance.pid");
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+
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return EXIT_SUCCESS;
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}
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