mirror of
https://github.com/drasko/codezero.git
synced 2026-01-23 00:03:15 +01:00
fd04e9d460
Currently, the tid returned from kernel contains container id as well, which makes it sufficient to do inter-container syscalls without any preparation. The helpers added are for presentation purposes only. Container id is deleted so that the raw thread id is available for printing or similar.
62 lines
1.4 KiB
C
62 lines
1.4 KiB
C
/*
|
|
* Some tests for posix syscalls.
|
|
*
|
|
* Copyright (C) 2007 Bahadir Balban
|
|
*/
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <l4lib/arch/syslib.h>
|
|
#include <l4lib/kip.h>
|
|
#include <l4lib/utcb.h>
|
|
#include <l4lib/ipcdefs.h>
|
|
#include <tests.h>
|
|
#include <unistd.h>
|
|
#include <sys/types.h>
|
|
#include <stdlib.h>
|
|
#include "atoi.h"
|
|
|
|
void wait_pager(l4id_t partner)
|
|
{
|
|
// printf("%s: Syncing with pager.\n", __TASKNAME__);
|
|
for (int i = 0; i < 6; i++)
|
|
write_mr(i, i);
|
|
l4_send(partner, L4_IPC_TAG_SYNC);
|
|
// printf("Pager synced with us.\n");
|
|
}
|
|
|
|
l4id_t pagerid;
|
|
|
|
int main(int argc, char *argv[])
|
|
{
|
|
wait_pager(0);
|
|
char *parent_of_all;
|
|
char pidbuf[10];
|
|
|
|
|
|
/* Convert current pid to string */
|
|
sprintf(pidbuf, "%d", getpid());
|
|
|
|
if (strcmp(argv[0], "FIRST ARG") ||
|
|
strcmp(argv[1], "SECOND ARG") ||
|
|
strcmp(argv[2], "THIRD ARG") ||
|
|
strcmp(argv[3], "FOURTH ARG")) {
|
|
printf("EXECVE TEST -- FAILED --\n");
|
|
goto out;
|
|
}
|
|
|
|
/* Get parent of all pid as a string from environment */
|
|
parent_of_all = getenv("parent_of_all");
|
|
pagerid = ascii_to_int(getenv("pagerid"));
|
|
|
|
/* Compare two pid strings. We use strings because we dont have atoi() */
|
|
if (!strcmp(pidbuf, parent_of_all)) {
|
|
printf("EXECVE TEST -- PASSED --\n");
|
|
printf("\nThread (%x): Continues to sync with the pager...\n\n", __raw_tid(getpid()));
|
|
while (1)
|
|
wait_pager(pagerid);
|
|
}
|
|
out:
|
|
_exit(0);
|
|
}
|
|
|