mirror of
https://github.com/drasko/codezero.git
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ce79aa2b73
- Mutex test added. Forked tasks demonstrate produce/consumer using a shared mmap'ed page. - Added l4lib assembler syscall - Added forgotten SWI to mutex control offset in syscall page. - Added mutex head initialization - Contended child successfully sleeps in a waitqueue. Issues: - Somehow the child's produced page buffer is altered at about [4020] offset. Parent fails to validate buffer therefore. - Need to add syncing to test so that parent does not unlock and lock again before child has a chance to lock buffer and produce.
64 lines
983 B
C
64 lines
983 B
C
/*
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* Some tests for posix syscalls.
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*
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* Copyright (C) 2007 Bahadir Balban
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*/
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#include <stdio.h>
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#include <string.h>
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#include <l4lib/arch/syslib.h>
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#include <l4lib/kip.h>
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#include <l4lib/utcb.h>
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#include <l4lib/ipcdefs.h>
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#include <tests.h>
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#include <unistd.h>
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#include <sys/types.h>
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void wait_pager(l4id_t partner)
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{
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// printf("%s: Syncing with pager.\n", __TASKNAME__);
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for (int i = 0; i < 6; i++)
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write_mr(i, i);
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l4_send(partner, L4_IPC_TAG_SYNC);
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// printf("Pager synced with us.\n");
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}
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pid_t parent_of_all;
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void main(void)
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{
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printf("\n%s: Started with thread id %d\n", __TASKNAME__, getpid());
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parent_of_all = getpid();
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wait_pager(0);
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printf("\n%s: Running POSIX API tests.\n", __TASKNAME__);
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dirtest();
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mmaptest();
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shmtest();
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forktest();
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fileio();
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clonetest();
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if (parent_of_all == getpid()) {
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ipc_full_test();
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ipc_extended_test();
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}
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if (parent_of_all == getpid()) {
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user_mutex_test();
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}
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exectest();
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while (1)
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wait_pager(0);
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}
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