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Remove WNOHANG from regression test

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Jianfeng Jiang
2024-02-05 07:38:39 +00:00
committed by Tate, Hongliang Tian
parent c88d10524c
commit fad1e42e56
4 changed files with 19 additions and 5 deletions
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15
regression/apps/fork/fork.s → regression/apps/fork/fork.S
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@ -1,5 +1,10 @@
# SPDX-License-Identifier: MPL-2.0
# FIXME: WNOHANG option currently does not work properly without preemption, so we have temporarily
# removed it. Once preemption is supported, the following macro can be uncommented to add the WNOHANG
# option back.
# #define PREEMPTION_ENABLE
.global _start
.section .text
@ -22,14 +27,22 @@ _child:
call exit
wait_child:
mov %rax, %rdi # child process id
#ifdef PREEMPTION_ENABLE
_loop:
mov $61, %rax # syscall number of wait4
mov $0, %rsi # exit status address
mov $1, %rdx # WNOHANG
mov $1, %rdx # wait option: WNOHANG
syscall
cmp %rdi, %rax # The return value is the pid of child
jne _loop
ret
#else
mov $61, %rax # syscall number of wait4
mov $0, %rsi # exit status address
mov $0, %rdx # wait option
syscall
ret
#endif
exit:
mov $60, %rax # syscall number of exit
mov $0, %rdi # exit code