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Introduce sigtimedwait() and sigwaitinfo()

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This change also invents sigcountset() and strsignal_r() and improves
the quality of siginfo_t handling.
This commit is contained in:
Justine Tunney 2022-10-10 07:36:07 -07:00
parent 7ae556463a
commit 467a332e38
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GPG key ID: BE714B4575D6E328
41 changed files with 887 additions and 345 deletions
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2
libc/sysv/calls/sys_sigtimedwait.s
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@ -1,2 +1,2 @@
.include "o/libc/sysv/macros.internal.inc"
.scall sys_sigtimedwait,0xffffff159ffff080,globl
.scall sys_sigtimedwait,0x1affff159ffff080,globl,hidden

8
libc/sysv/consts.sh
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@ -168,11 +168,11 @@ syscon sig SIGPROF 27 27 27 27 27 27 # profiling timer expired;
syscon sig SIGWINCH 28 28 28 28 28 28 # terminal resized; unix consensus & faked on nt
syscon sig SIGIO 29 23 23 23 23 29 # bsd consensus
syscon sig SIGSYS 31 12 12 12 12 31 # wut; bsd consensus
syscon sig SIGINFO 0 29 29 29 29 0 # bsd consensus
syscon sig SIGRTMAX 64 0 126 0 63 0
syscon sig SIGRTMIN 32 0 65 0 33 0
syscon sig SIGEMT 0 7 7 7 7 0 # not implemented in most community editions of system five; consider doing this using SIGUSR1 or SIGUSR2 instead
syscon sig SIGPWR 30 30 30 30 32 30 # not implemented in most community editions of system five; consider doing this using SIGUSR1 or SIGUSR2 instead
syscon sig SIGINFO 0 29 29 29 29 0 # bsd consensus
syscon sig SIGRTMIN 32 0 65 0 33 32
syscon sig SIGRTMAX 64 0 126 0 63 64
syscon compat SIGPOLL 29 23 23 23 23 29 # same as SIGIO
syscon compat SIGIOT 6 6 6 6 6 6 # PDP-11 feature; same as SIGABRT
@ -1232,7 +1232,7 @@ syscon limits SOMAXCONN 4096 128 128 128 128 2147483647 # maximum
syscon limits _ARG_MAX 128*1024 1024*1024 512*1024 512*1024 256*1024 32767*2 # bsd consensus
syscon limits _NAME_MAX 255 255 255 255 511 255 # probably higher on windows?
syscon limits _PATH_MAX 4096 1024 1024 1024 1024 512 # cosmopolitan libc imposes a lower 512 limit; nt theoretically goes up to 32767
syscon limits _NSIG 64 32 128 32 64 32 # _SIG_MAXSIG on FreeBSD
syscon limits _NSIG 64 32 128 32 64 64 # _SIG_MAXSIG on FreeBSD
# unmount() flags
# a.k.a. umount2() on linux

2
libc/sysv/consts/SIGRTMAX.s
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@ -1,2 +1,2 @@
.include "o/libc/sysv/consts/syscon.internal.inc"
.syscon sig,SIGRTMAX,64,0,126,0,63,0
.syscon sig,SIGRTMAX,64,0,126,0,63,64

2
libc/sysv/consts/SIGRTMIN.s
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@ -1,2 +1,2 @@
.include "o/libc/sysv/consts/syscon.internal.inc"
.syscon sig,SIGRTMIN,32,0,65,0,33,0
.syscon sig,SIGRTMIN,32,0,65,0,33,32

2
libc/sysv/consts/_NSIG.s
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@ -1,2 +1,2 @@
.include "o/libc/sysv/consts/syscon.internal.inc"
.syscon limits,_NSIG,64,32,128,32,64,32
.syscon limits,_NSIG,64,32,128,32,64,64

2
libc/sysv/syscalls.sh
View file

@ -192,7 +192,7 @@ scall sys_setfsuid 0xfffffffffffff07a globl hidden
scall sys_setfsgid 0xfffffffffffff07b globl hidden
scall sys_capget 0xfffffffffffff07d globl # no wrapper
scall sys_capset 0xfffffffffffff07e globl # no wrapper
scall sys_sigtimedwait 0xffffff159ffff080 globl # no wrapper
scall sys_sigtimedwait 0x1affff159ffff080 globl hidden
scall sys_sigqueue 0xffffff1c8fffffff globl hidden
scall sys_sigqueueinfo 0x0f5ffffffffff081 globl hidden # a.k.a. rt_sigqueueinfo on linux
scall sys_personality 0xfffffffffffff087 globl # no wrapper