author | kergoth <kergoth> | 2002-09-05 18:56:37 (UTC) |
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committer | kergoth <kergoth> | 2002-09-05 18:56:37 (UTC) |
commit | 3b604a204719a4b45360a9d8685d4bb51a32b9dd (patch) (unidiff) | |
tree | bb47316b888c038a0c07373df93e8b2cc853777a /libopie/odevice.cpp | |
parent | 45c33b69ae0eec4868a312dc7eb9f496e10588bd (diff) | |
download | opie-3b604a204719a4b45360a9d8685d4bb51a32b9dd.zip opie-3b604a204719a4b45360a9d8685d4bb51a32b9dd.tar.gz opie-3b604a204719a4b45360a9d8685d4bb51a32b9dd.tar.bz2 |
Use SIG_IGN rather than an empty handler to ignore SIG_TSTP.
-rw-r--r-- | libopie/odevice.cpp | 8 |
1 files changed, 1 insertions, 7 deletions
diff --git a/libopie/odevice.cpp b/libopie/odevice.cpp index 6572fb6..1da8862 100644 --- a/libopie/odevice.cpp +++ b/libopie/odevice.cpp | |||
@@ -122,43 +122,37 @@ void ODevice::init ( ) | |||
122 | 122 | ||
123 | ODevice::~ODevice ( ) | 123 | ODevice::~ODevice ( ) |
124 | { | 124 | { |
125 | delete d; | 125 | delete d; |
126 | } | 126 | } |
127 | 127 | ||
128 | //#include <linux/apm_bios.h> | 128 | //#include <linux/apm_bios.h> |
129 | 129 | ||
130 | //#define APM_IOC_SUSPEND _IO('A',2) | 130 | //#define APM_IOC_SUSPEND _IO('A',2) |
131 | 131 | ||
132 | #define APM_IOC_SUSPEND (( 0<<30 ) | ( 'A'<<8 ) | ( 2 ) | ( 0<<16 )) | 132 | #define APM_IOC_SUSPEND (( 0<<30 ) | ( 'A'<<8 ) | ( 2 ) | ( 0<<16 )) |
133 | 133 | ||
134 | |||
135 | void ODevice::tstp_sighandler ( int ) | ||
136 | { | ||
137 | } | ||
138 | |||
139 | |||
140 | bool ODevice::suspend ( ) | 134 | bool ODevice::suspend ( ) |
141 | { | 135 | { |
142 | if ( d-> m_model == OMODEL_Unknown ) // better don't suspend in qvfb / on unkown devices | 136 | if ( d-> m_model == OMODEL_Unknown ) // better don't suspend in qvfb / on unkown devices |
143 | return false; | 137 | return false; |
144 | 138 | ||
145 | int fd; | 139 | int fd; |
146 | bool res = false; | 140 | bool res = false; |
147 | 141 | ||
148 | if ((( fd = ::open ( "/dev/apm_bios", O_RDWR )) >= 0 ) || | 142 | if ((( fd = ::open ( "/dev/apm_bios", O_RDWR )) >= 0 ) || |
149 | (( fd = ::open ( "/dev/misc/apm_bios",O_RDWR )) >= 0 )) { | 143 | (( fd = ::open ( "/dev/misc/apm_bios",O_RDWR )) >= 0 )) { |
150 | struct timeval tvs, tvn; | 144 | struct timeval tvs, tvn; |
151 | 145 | ||
152 | ::signal ( SIGTSTP, tstp_sighandler );// we don't want to be stopped | 146 | ::signal ( SIGTSTP, SIG_IGN );// we don't want to be stopped |
153 | ::gettimeofday ( &tvs, 0 ); | 147 | ::gettimeofday ( &tvs, 0 ); |
154 | 148 | ||
155 | res = ( ::ioctl ( fd, APM_IOC_SUSPEND ) == 0 ); // tell the kernel to "start" suspending | 149 | res = ( ::ioctl ( fd, APM_IOC_SUSPEND ) == 0 ); // tell the kernel to "start" suspending |
156 | ::close ( fd ); | 150 | ::close ( fd ); |
157 | 151 | ||
158 | if ( res ) { | 152 | if ( res ) { |
159 | ::kill ( -::getpid ( ), SIGTSTP ); // stop everthing in out process group | 153 | ::kill ( -::getpid ( ), SIGTSTP ); // stop everthing in out process group |
160 | 154 | ||
161 | do { // wait at most 1.5 sec: either suspend didn't work or the device resumed | 155 | do { // wait at most 1.5 sec: either suspend didn't work or the device resumed |
162 | ::usleep ( 200 * 1000 ); | 156 | ::usleep ( 200 * 1000 ); |
163 | ::gettimeofday ( &tvn, 0 ); | 157 | ::gettimeofday ( &tvn, 0 ); |
164 | } while ((( tvn. tv_sec - tvs. tv_sec ) * 1000 + ( tvn. tv_usec - tvs. tv_usec ) / 1000 ) < 1500 ); | 158 | } while ((( tvn. tv_sec - tvs. tv_sec ) * 1000 + ( tvn. tv_usec - tvs. tv_usec ) / 1000 ) < 1500 ); |