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Jamie Guinan writes:

Browse Source 
It looks like latest uClibc defines ARCH_HAS_MMU, but a few busybox files
test UCLIBC_HAS_MMU, resulting in vfork() getting called instead of
fork(), etc.

Patch below.   Only tested for lash.

Cheers,
-Jamie
This commit is contained in:
Eric Andersen 2004-04-12 17:59:24 +00:00
parent a08345598d
commit e3efc9230c
3 changed files with 6 additions and 6 deletions
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6
init/init.c
View File

@ -53,7 +53,7 @@
#endif
#if defined(__UCLIBC__) && !defined(__UCLIBC_HAS_MMU__)
#if defined(__UCLIBC__) && !defined(__ARCH_HAS_MMU__)
#define fork vfork
#endif
@ -913,7 +913,7 @@ static void check_memory(void)
if (check_free_memory() > 1000)
return;
#if !defined(__UCLIBC__) || defined(__UCLIBC_HAS_MMU__)
#if !defined(__UCLIBC__) || defined(__ARCH_HAS_MMU__)
if (stat("/etc/fstab", &statBuf) == 0) {
/* swapon -a requires /proc typically */
new_init_action(SYSINIT, "/bin/mount -t proc proc /proc", "");
@ -957,7 +957,7 @@ static void parse_inittab(void)
new_init_action(CTRLALTDEL, "/sbin/reboot", "");
/* Umount all filesystems on halt/reboot */
new_init_action(SHUTDOWN, "/bin/umount -a -r", "");
#if !defined(__UCLIBC__) || defined(__UCLIBC_HAS_MMU__)
#if !defined(__UCLIBC__) || defined(__ARCH_HAS_MMU__)
/* Swapoff on halt/reboot */
new_init_action(SHUTDOWN, "/sbin/swapoff -a", "");
#endif

4
shell/hush.c
View File

@ -1439,7 +1439,7 @@ static int run_pipe_real(struct pipe *pi)
}
/* XXX test for failed fork()? */
#if !defined(__UCLIBC__) || defined(__UCLIBC_HAS_MMU__)
#if !defined(__UCLIBC__) || defined(__ARCH_HAS_MMU__)
if (!(child->pid = fork()))
#else
if (!(child->pid = vfork()))
@ -2258,7 +2258,7 @@ FILE *generate_stream_from_list(struct pipe *head)
#if 1
int pid, channel[2];
if (pipe(channel)<0) bb_perror_msg_and_die("pipe");
#if !defined(__UCLIBC__) || defined(__UCLIBC_HAS_MMU__)
#if !defined(__UCLIBC__) || defined(__ARCH_HAS_MMU__)
pid=fork();
#else
pid=vfork();

2
shell/lash.c
View File

@ -1380,7 +1380,7 @@ static int run_command(struct job *newjob, int inbg, int outpipe[2])
}
}
#if !defined(__UCLIBC__) || defined(__UCLIBC_HAS_MMU__)
#if !defined(__UCLIBC__) || defined(__ARCH_HAS_MMU__)
if (!(child->pid = fork()))
#else
if (!(child->pid = vfork()))