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https://github.com/drasko/codezero.git
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7ba7a2e796
Removed dependency on hard-coded pager id. Pager id is now passed as an environment string `pagerid' to tasks. Alternatively, this could take space in the utcb of each task.
28 lines
582 B
C
28 lines
582 B
C
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#include <l4lib/arch/syscalls.h>
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#include <l4lib/arch/syslib.h>
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#include <l4lib/ipcdefs.h>
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#include <unistd.h>
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#include <l4/macros.h>
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#include <libposix.h>
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static inline void __attribute__ ((noreturn)) l4_exit(int status)
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{
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int ret;
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write_mr(L4SYS_ARG0, status);
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/* Call pager with exit() request and block on its receive phase */
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ret = l4_sendrecv(pagerid, pagerid, L4_IPC_TAG_EXIT);
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/* This call should not fail or return */
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print_err("%s: L4 IPC returned: %d.\n", __FUNCTION__, ret);
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BUG();
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}
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void __attribute__ ((noreturn)) _exit(int status)
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{
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l4_exit(status);
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}
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