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Make signal handling work well across platforms

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- Fix sigsuspend() on XNU
- Fix strsignal() on non-Linux
- Add unit tests for strsignal()
- Add unit tests for setitimer()
- Add unit tests for sigsuspend()
- Rewrite setitimer() for New Technology
- Rewrite nanosleep() for New Technology
- Polyfill SIGALRM on the New Technology
- select(0,0,0,0) on NT now calls pause()
- Remove some NTDLL calls that aren't needed
- Polyfill SA_NOCLDWAIT on the New Technology
- Polyfill SA_RESETHAND on the New Technology
- Polyfill sigprocmask() on the New Technology
- Polyfill SIGCHLD+SIG_IGN on the New Technology
- Polyfill SA_RESTART masking on the New Technology
- Deliver console signals from main thread on New Technology
- Document SA_RESTART behavior w/ @sarestartable / @norestart
- System call trace in MODE=dbg now prints inherited FDs and signal mask
This commit is contained in:
Justine Tunney 2022-03-25 07:11:44 -07:00
parent 3b9e66ecba
commit 072e1d2910
82 changed files with 1388 additions and 450 deletions
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2
libc/sysv/consts.sh
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@ -2015,7 +2015,7 @@ syscon nr __NR_msync 0x001a 0x2000041 0x0041 0x0100 0x115 0xfff
syscon nr __NR_mprotect 0x000a 0x200004a 0x004a 0x004a 0x04a 0xfff
syscon nr __NR_munmap 0x000b 0x2000049 0x0049 0x0049 0x049 0xfff
syscon nr __NR_sigaction 0x000d 0x200002e 0x01a0 0x002e 0x154 0xfff
syscon nr __NR_sigprocmask 0x000e 0x2000030 0x0154 0x0030 0x125 0xfff
syscon nr __NR_sigprocmask 0x000e 0x2000149 0x0154 0x0030 0x125 0xfff
syscon nr __NR_ioctl 0x0010 0x2000036 0x0036 0x0036 0x036 0xfff
syscon nr __NR_pread 0x0011 0x2000099 0x01db 0x00ad 0x0ad 0xfff
syscon nr __NR_pwrite 0x0012 0x200009a 0x01dc 0x00ae 0x0ae 0xfff