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utils: Introduce xsleep for RCU quiescent state

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Signed-off-by: Pravin B Shelar <pshelar@nicira.com>
Acked-by: Ben Pfaff <blp@nicira.com>
This commit is contained in:
Pravin
2014-03-21 09:20:42 -07:00
committed by Pravin B Shelar
parent 20ebd77152
commit 275eebb92d
3 changed files with 14 additions and 1 deletions
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2
lib/daemon.c
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@@ -416,7 +416,7 @@ monitor_daemon(pid_t daemon_pid)
if (now >= wakeup) { if (now >= wakeup) {
break; break;
} }
sleep(wakeup - now); xsleep(wakeup - now);
} }
} }
last_restart = time(NULL); last_restart = time(NULL);

12
lib/util.c
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@@ -30,6 +30,7 @@
#include "bitmap.h" #include "bitmap.h"
#include "byte-order.h" #include "byte-order.h"
#include "coverage.h" #include "coverage.h"
#include "ovs-rcu.h"
#include "ovs-thread.h" #include "ovs-thread.h"
#include "vlog.h" #include "vlog.h"
#ifdef HAVE_PTHREAD_SET_NAME_NP #ifdef HAVE_PTHREAD_SET_NAME_NP
@@ -1726,6 +1727,17 @@ exit:
return ok; return ok;
} }
unsigned int
xsleep(unsigned int seconds)
{
unsigned int t;
ovsrcu_quiesce_start();
t = sleep(seconds);
ovsrcu_quiesce_end();
return t;
}
#ifdef _WIN32 #ifdef _WIN32
char * char *

1
lib/util.h
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@@ -507,6 +507,7 @@ char *ovs_format_message(int error);
char *ovs_lasterror_to_string(void); char *ovs_lasterror_to_string(void);
int ftruncate(int fd, off_t length); int ftruncate(int fd, off_t length);
#endif #endif
unsigned int xsleep(unsigned int seconds);
#ifdef __cplusplus #ifdef __cplusplus
} }