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2019-07-01ipc: prefer SYS_ipc when it is definedSzabolcs Nagy-1/+1
Linux v5.1 introduced ipc syscalls on targets where previously only SYS_ipc was available, change the logic such that the ipc code keeps using SYS_ipc which works backward compatibly on older kernels. This changes behaviour on microblaze which had both mechanisms, now SYS_ipc will be used instead of separate syscalls.
2013-11-09fix harmless inconsistency in semtimedopRich Felker-1/+1
this should not matter since the reality is that either all the sysv sem syscalls are individual syscalls, or all of them are multiplexed on the SYS_ipc syscall (depending on arch). but best to be consistent anyway.
2013-11-09implement semtimedopRich Felker-0/+13
this is a Linux-specific extension to the sysv semaphore api.