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Obtaining and returning a permit from a semaphore in a shell script
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In a shell script i can use
ipcmk -S 4
to create a semaphore with 4 slots. With ipcrm I could delete the semaphore again. But how can I use it? I cannot find any semwait, ipcsemget or similar. How is this done?
bash ipc semaphore
asked yesterday
HaraldHarald
3453 silver badges15 bronze badges
add a comment |
In a shell script i can use
ipcmk -S 4
to create a semaphore with 4 slots. With ipcrm I could delete the semaphore again. But how can I use it? I cannot find any semwait, ipcsemget or similar. How is this done?
bash ipc semaphore
asked yesterday
HaraldHarald
3453 silver badges15 bronze badges
add a comment |
In a shell script i can use
ipcmk -S 4
to create a semaphore with 4 slots. With ipcrm I could delete the semaphore again. But how can I use it? I cannot find any semwait, ipcsemget or similar. How is this done?
bash ipc semaphore
asked yesterday
HaraldHarald
3453 silver badges15 bronze badges
In a shell script i can use
ipcmk -S 4
to create a semaphore with 4 slots. With ipcrm I could delete the semaphore again. But how can I use it? I cannot find any semwait, ipcsemget or similar. How is this done?
bash ipc semaphore
bash ipc semaphore
asked yesterday
HaraldHarald
3453 silver badges15 bronze badges
asked yesterday
HaraldHarald
3453 silver badges15 bronze badges
asked yesterday
HaraldHarald
3453 silver badges15 bronze badges
asked yesterday
HaraldHarald
3453 silver badges15 bronze badges
asked yesterday
HaraldHarald
3453 silver badges15 bronze badges
3453 silver badges15 bronze badges
add a comment |
add a comment |
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