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authorsandman <sandman>2002-09-05 19:10:48 (UTC)
committer sandman <sandman>2002-09-05 19:10:48 (UTC)
commitdd0222d2ec7a8f7363e746b079a46034d80d3466 (patch) (unidiff)
treecb28ec395f5684a787d6c835c4cfe1ee04221064
parentb95c5502fb1b7425fe0cc503a17d8dd3658b032b (diff)
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suspend code now also calls sync() to flush fs caches (just like apm tool)
Diffstat (more/less context) (ignore whitespace changes)
-rw-r--r--libopie/odevice.cpp6
1 files changed, 4 insertions, 2 deletions
diff --git a/libopie/odevice.cpp b/libopie/odevice.cpp
index 1da8862..2f40731 100644
--- a/libopie/odevice.cpp
+++ b/libopie/odevice.cpp
@@ -146,11 +146,12 @@ bool ODevice::suspend ( )
146 ::signal ( SIGTSTP, SIG_IGN );// we don't want to be stopped 146 ::signal ( SIGTSTP, SIG_IGN );// we don't want to be stopped
147 ::gettimeofday ( &tvs, 0 ); 147 ::gettimeofday ( &tvs, 0 );
148 148
149 ::sync ( ); // flush fs caches
150
149 res = ( ::ioctl ( fd, APM_IOC_SUSPEND ) == 0 ); // tell the kernel to "start" suspending 151 res = ( ::ioctl ( fd, APM_IOC_SUSPEND ) == 0 ); // tell the kernel to "start" suspending
150 ::close ( fd );
151 152
152 if ( res ) { 153 if ( res ) {
153 ::kill ( -::getpid ( ), SIGTSTP ); // stop everthing in out process group 154 ::kill ( -::getpid ( ), SIGTSTP ); // stop everthing in our process group
154 155
155 do { // wait at most 1.5 sec: either suspend didn't work or the device resumed 156 do { // wait at most 1.5 sec: either suspend didn't work or the device resumed
156 ::usleep ( 200 * 1000 ); 157 ::usleep ( 200 * 1000 );
@@ -160,6 +161,7 @@ bool ODevice::suspend ( )
160 ::kill ( -::getpid ( ), SIGCONT ); // continue everything in our process group 161 ::kill ( -::getpid ( ), SIGCONT ); // continue everything in our process group
161 } 162 }
162 163
164 ::close ( fd );
163 ::signal ( SIGTSTP, SIG_DFL ); 165 ::signal ( SIGTSTP, SIG_DFL );
164 } 166 }
165 167