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start-stop-daemon: Add SSD_IONICELEVEL

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This is the disk IO counterpart to SSD_NICELEVEL.
Modified by William Hubbs to add the variable to the start-stop-daemon
man page.

This fixes #69.
This commit is contained in:
Kenneth Lakin
2015-11-03 03:33:06 -08:00
committed by William Hubbs
parent b19d0a40d7
commit 94b98430cb
3 changed files with 20 additions and 1 deletions
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14
src/rc/start-stop-daemon.c
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@@ -696,6 +696,17 @@ int main(int argc, char **argv)
if (sscanf(tmp, "%d", &nicelevel) != 1)
eerror("%s: invalid nice level `%s' (SSD_NICELEVEL)",
applet, tmp);
if ((tmp = getenv("SSD_IONICELEVEL"))) {
int n = sscanf(tmp, "%d:%d", &ionicec, &ioniced);
if (n != 1 && n != 2)
eerror("%s: invalid ionice level `%s' (SSD_IONICELEVEL)",
applet, tmp);
if (ionicec == 0)
ioniced = 0;
else if (ionicec == 3)
ioniced = 7;
ionicec <<= 13; /* class shift */
}
/* Get our user name and initial dir */
p = getenv("USER");
@@ -1195,7 +1206,8 @@ int main(int argc, char **argv)
if ((strncmp(env->value, "RC_", 3) == 0 &&
strncmp(env->value, "RC_SERVICE=", 10) != 0 &&
strncmp(env->value, "RC_SVCNAME=", 10) != 0) ||
strncmp(env->value, "SSD_NICELEVEL=", 14) == 0)
strncmp(env->value, "SSD_NICELEVEL=", 14) == 0 ||
strncmp(env->value, "SSD_IONICELEVEL=", 16) == 0)
{
p = strchr(env->value, '=');
*p = '\0';