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{linux,bsd}-user: Pass pid to fork_end()

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The upcoming follow-fork-mode child support requires knowing the child
pid. Pass it down.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Message-Id: <20240219141628.246823-6-iii@linux.ibm.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240305121005.3528075-7-alex.bennee@linaro.org>
This commit is contained in:
Ilya Leoshkevich
2024-03-05 12:09:42 +00:00
committed by Alex Bennée
parent 3d6ed98da8
commit 4edc98fcc8
6 changed files with 14 additions and 10 deletions
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6
bsd-user/freebsd/os-proc.h
View File

@ -208,7 +208,7 @@ static inline abi_long do_freebsd_fork(void *cpu_env)
*/
set_second_rval(cpu_env, child_flag);
fork_end(child_flag);
fork_end(ret);
return ret;
}
@ -252,7 +252,7 @@ static inline abi_long do_freebsd_rfork(void *cpu_env, abi_long flags)
* value: 0 for parent process, 1 for child process.
*/
set_second_rval(cpu_env, child_flag);
fork_end(child_flag);
fork_end(ret);
return ret;
@ -285,7 +285,7 @@ static inline abi_long do_freebsd_pdfork(void *cpu_env, abi_ulong target_fdp,
* value: 0 for parent process, 1 for child process.
*/
set_second_rval(cpu_env, child_flag);
fork_end(child_flag);
fork_end(ret);
return ret;
}

4
bsd-user/main.c
View File

@ -116,8 +116,10 @@ void fork_start(void)
gdbserver_fork_start();
}
void fork_end(int child)
void fork_end(pid_t pid)
{
bool child = pid == 0;
if (child) {
CPUState *cpu, *next_cpu;
/*

2
bsd-user/qemu.h
View File

@ -192,7 +192,7 @@ void cpu_loop(CPUArchState *env);
char *target_strerror(int err);
int get_osversion(void);
void fork_start(void);
void fork_end(int child);
void fork_end(pid_t pid);
#include "qemu/log.h"