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do_syscall: Delegate system calls to the mcexec with the same pid

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This includes the following fix:
send_syscall, do_syscall: remove argument pid

Fujitsu: POSTK_TEMP_FIX_26
Refs: #1165
Change-Id: I702362c07a28f507a5e43dd751949aefa24bc8c0
This commit is contained in:
Tomoki Shirasawa
2018-09-07 14:28:23 +09:00
committed by Masamichi Takagi
parent c23bc8d401
commit 7e342751a2
15 changed files with 445 additions and 170 deletions
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97
test/issues/1165/C1165T01.c Normal file
View File

@ -0,0 +1,97 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <errno.h>
#include <fcntl.h>
int
main(int argc, char **argv)
{
pid_t pid;
char buf[1024];
int fd;
int rc;
int st;
int i;
fd = open("/dev/zero", O_RDONLY);
if (fd < 0) {
perror("open");
goto err;
}
if ((rc = read(fd, buf, 1024)) != 1024) {
if (rc < 0) {
perror("read");
}
else if (rc == 0) {
fprintf(stderr, "EOF\n");
}
else {
fprintf(stderr, "read too short %d\n", rc);
}
goto err;
}
close(fd);
for (i = 0; i < 1024; i++)
buf[i] = 0x55;
pid = fork();
if (!pid) {
for (i = 0; i < 1024; i++)
if (buf[i] != 0x55) {
exit(2);
}
fd = open("/dev/zero", O_RDONLY);
if (fd < 0) {
perror("open");
exit(1);
}
if ((rc = read(fd, buf, 1024)) != 1024) {
exit(1);
}
close(fd);
for (i = 0; i < 1024; i++)
if (buf[i] != 0) {
exit(3);
}
exit(0);
}
while (waitpid(pid, &st, 0) == -1 && errno == EINTR);
if (!WIFEXITED(st)) {
fprintf(stderr, "child failed %08x\n", st);
goto err;
}
else if (WEXITSTATUS(st) != 0) {
if (WEXITSTATUS(st) == 1) {
fprintf(stderr, "child I/O error\n");
}
else if (WEXITSTATUS(st) == 2) {
fprintf(stderr, "child memory error\n");
}
else if (WEXITSTATUS(st) == 3) {
fprintf(stderr, "child read error\n");
}
else {
fprintf(stderr, "child error %08x\n", st);
}
goto err;
}
for (i = 0; i < 1024; i++)
if (buf[i] != 0x55) {
fprintf(stderr, "BAD value 0x%02x != 0x55\n", buf[i]);
goto err;
}
fprintf(stderr, "*** C1165T01 OK\n");
exit(0);
err:
fprintf(stderr, "*** C1165T01 NG\n");
exit(1);
}