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modify file path of /proc files

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LTP getsid02 mount06 msgctl08 msgget03 pause02 pipe07 readhead02
    swapon03 sysconf01 wait402
This commit is contained in:
Tomoki Shirasawa
2015-02-24 11:33:49 +09:00
parent f35cc66d18
commit c1c1fd578a
1 changed files with 34 additions and 21 deletions
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55
executer/user/mcexec.c
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@ -111,8 +111,9 @@ struct kernel_termios {
cc_t c_cc[NCCS]; /* control characters */
};
int main_loop(int fd, int cpu, pthread_mutex_t *lock, int mcosid);
int main_loop(int fd, int cpu, pthread_mutex_t *lock);
static int mcosid;
static int fd;
static char *exec_path = NULL;
static char *altroot;
@ -785,7 +786,6 @@ struct thread_data_s {
pthread_t thread_id;
int fd;
int cpu;
int mcosid;
int ret;
pid_t tid;
int terminate;
@ -806,7 +806,7 @@ static void *main_loop_thread_func(void *arg)
td->tid = gettid();
td->remote_tid = (int)td->tid;
pthread_barrier_wait(&init_ready);
td->ret = main_loop(td->fd, td->cpu, td->lock, td->mcosid);
td->ret = main_loop(td->fd, td->cpu, td->lock);
return NULL;
}
@ -959,7 +959,7 @@ void init_sigaction(void)
}
}
void init_worker_threads(int fd, int mcosid)
void init_worker_threads(int fd)
{
int i;
@ -971,7 +971,6 @@ void init_worker_threads(int fd, int mcosid)
thread_data[i].fd = fd;
thread_data[i].cpu = i;
thread_data[i].mcosid = mcosid;
thread_data[i].lock = &lock;
thread_data[i].init_ready = &init_ready;
thread_data[i].terminate = 0;
@ -1075,7 +1074,6 @@ int main(int argc, char **argv)
unsigned long lcur;
unsigned long lmax;
int target_core = 0;
int mcosid = 0;
int opt;
char path[1024];
char *shell = NULL;
@ -1298,7 +1296,7 @@ int main(int argc, char **argv)
init_sigaction();
init_worker_threads(fd, mcosid);
init_worker_threads(fd);
if (ioctl(fd, MCEXEC_UP_START_IMAGE, (unsigned long)desc) != 0) {
perror("exec");
@ -1476,7 +1474,32 @@ int close_cloexec_fds(int mcos_fd)
return 0;
}
int main_loop(int fd, int cpu, pthread_mutex_t *lock, int mcosid)
char *
chgpath(char *in, char *buf)
{
char *fn = in;
struct stat sb;
if (!strncmp(fn, "/proc/self/", 11)){
sprintf(buf, "/proc/mcos%d/%d/%s", mcosid, getpid(), fn + 11);
fn = buf;
}
else if(!strncmp(fn, "/proc/", 6)){
sprintf(buf, "/proc/mcos%d/%s", mcosid, fn + 6);
fn = buf;
}
else if(!strcmp(fn, "/sys/devices/system/cpu/online")){
fn = "/admin/fs/attached/files/sys/devices/system/cpu/online";
}
else
return in;
if(stat(fn, &sb) == -1)
return in;
return fn;
}
int main_loop(int fd, int cpu, pthread_mutex_t *lock)
{
struct syscall_wait_desc w;
long ret;
@ -1514,18 +1537,8 @@ int main_loop(int fd, int cpu, pthread_mutex_t *lock, int mcosid)
}
__dprintf("open: %s\n", pathbuf);
fn = pathbuf;
if (!strncmp(fn, "/proc/self/", 11)){
sprintf(tmpbuf, "/proc/mcos%d/%d/%s", mcosid, getpid(), fn + 11);
fn = tmpbuf;
}
else if(!strncmp(fn, "/proc/", 6)){
sprintf(tmpbuf, "/proc/mcos%d/%s", mcosid, fn + 6);
fn = tmpbuf;
}
else if(!strcmp(fn, "/sys/devices/system/cpu/online")){
fn = "/admin/fs/attached/files/sys/devices/system/cpu/online";
}
fn = chgpath(pathbuf, tmpbuf);
ret = open(fn, w.sr.args[1], w.sr.args[2]);
SET_ERR(ret);
do_syscall_return(fd, cpu, ret, 0, 0, 0, 0);
@ -1676,7 +1689,7 @@ int main_loop(int fd, int cpu, pthread_mutex_t *lock, int mcosid)
/* Reinit signals and syscall threads */
init_sigaction();
init_worker_threads(fd, mcosid);
init_worker_threads(fd);
__dprintf("pid(%d): signals and syscall threads OK\n",
getpid());