Commit message (Collapse) | Author | Age | Files | Lines | |
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* | fix race condition in pthread_kill | Rich Felker | 2011-06-14 | 1 | -1/+5 |
| | | | | | | | | | | | | | | if thread id was reused by the kernel between the time pthread_kill read it from the userspace pthread_t object and the time of the tgkill syscall, a signal could be sent to the wrong thread. the tgkill syscall was supposed to prevent this race (versus the old tkill syscall) but it can't; it can only help in the case where the tid is reused in a different process, but not when the tid is reused in the same process. the only solution i can see is an extra lock to prevent threads from exiting while another thread is trying to pthread_kill them. it should be very very cheap in the non-contended case. | ||||
* | consistency: change all remaining syscalls to use SYS_ rather than __NR_ prefix | Rich Felker | 2011-04-06 | 1 | -1/+1 |
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* | if returning errno value directly from a syscall, we need to negate it. | Rich Felker | 2011-03-19 | 1 | -1/+1 |
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* | syscall overhaul part two - unify public and internal syscall interface | Rich Felker | 2011-03-19 | 1 | -2/+1 |
| | | | | | | | | | | | | | | | | with this patch, the syscallN() functions are no longer needed; a variadic syscall() macro allows syscalls with anywhere from 0 to 6 arguments to be made with a single macro name. also, manually casting each non-integer argument with (long) is no longer necessary; the casts are hidden in the macros. some source files which depended on being able to define the old macro SYSCALL_RETURNS_ERRNO have been modified to directly use __syscall() instead of syscall(). references to SYSCALL_SIGSET_SIZE and SYSCALL_LL have also been changed. x86_64 has not been tested, and may need a follow-up commit to fix any minor bugs/oversights. | ||||
* | initial check-in, version 0.5.0 v0.5.0 | Rich Felker | 2011-02-12 | 1 | -0/+7 |