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- Fix unused local variable errors
- Remove yoinks from sigaction() header
- Add nox87 and aarch64 to github actions
- Fix cosmocc -fportcosmo in linking mode
- It's now possible to build `make m=llvm o/llvm/libc`
This commit is contained in:
Justine Tunney 2023-07-10 04:29:46 -07:00
parent 3dc86ce154
commit f7ae50462a
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GPG key ID: BE714B4575D6E328
118 changed files with 342 additions and 392 deletions
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4
libc/sysv/systemfive.S
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@ -121,7 +121,7 @@ systemfive_cancellable: // our pthread_cancel() miracle code
testb $PT_INCANCEL,0x00(%r10)
jz 5f
#endif
cmp $0,0x04(%r10) // PosixThread::cancelled
cmpl $0,0x04(%r10) // PosixThread::cancelled
jne systemfive_cancel // we will tail call below
1: mov %rcx,%r10 // move the fourth argument
clc // no cancellable system calls exist
@ -144,7 +144,7 @@ systemfive_cancellable_end: // i/o calls park here for long time
jz systemfive_errno // it's spawn() probably
testb $PT_NOCANCEL,0x00(%rcx) // PosixThread::flags
jnz systemfive_errno // cancellation is disabled
cmp $0,0x04(%rcx) // PosixThread::cancelled
cmpl $0,0x04(%rcx) // PosixThread::cancelled
je systemfive_errno // we aren't actually cancelled
jmp 4f // now we are in fact cancelled
systemfive_cancel: // SIGTHR will jump here too