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In preparation for switching linuxulator to the use the native 1:1

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threads introduce linux_exit() stub instead of sys_exit() call
(which terminates process).
In the new linuxulator exit() system call terminates the calling
thread (not a whole process).

Differential Revision:	https://reviews.freebsd.org/D1027
Reviewed by:	trasz
This commit is contained in:
Dmitry Chagin 2015-05-24 14:33:19 +00:00
parent 1d80c8a8f0
commit 161acbb670
3 changed files with 16 additions and 4 deletions
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3
sys/amd64/linux32/syscalls.master
View File

@ -38,8 +38,7 @@
; #ifdef's, etc. may be included, and are copied to the output files.
0 AUE_NULL UNIMPL setup
1 AUE_EXIT NOPROTO { void sys_exit(int rval); } exit \
sys_exit_args void
1 AUE_EXIT STD { void linux_exit(int rval); }
2 AUE_FORK STD { int linux_fork(void); }
3 AUE_NULL NOPROTO { int read(int fd, char *buf, \
u_int nbyte); }

14
sys/compat/linux/linux_fork.c
View File

@ -41,6 +41,7 @@ __FBSDID("$FreeBSD$");
#include <sys/sdt.h>
#include <sys/sx.h>
#include <sys/unistd.h>
#include <sys/wait.h>
#ifdef COMPAT_LINUX32
#include <machine/../linux32/linux.h>
@ -297,3 +298,16 @@ linux_clone(struct thread *td, struct linux_clone_args *args)
return (0);
}
int
linux_exit(struct thread *td, struct linux_exit_args *args)
{
#ifdef DEBUG
if (ldebug(exit))
printf(ARGS(exit, "%d"), args->rval);
#endif
exit1(td, W_EXITCODE(args->rval, 0));
/* NOTREACHED */
}

3
sys/i386/linux/syscalls.master
View File

@ -37,8 +37,7 @@
; #ifdef's, etc. may be included, and are copied to the output files.
0 AUE_NULL UNIMPL setup
1 AUE_EXIT NOPROTO { void sys_exit(int rval); } exit \
sys_exit_args void
1 AUE_EXIT STD { void linux_exit(int rval); }
2 AUE_FORK STD { int linux_fork(void); }
3 AUE_NULL NOPROTO { int read(int fd, char *buf, \
u_int nbyte); }