24 lines
592 B
C
24 lines
592 B
C
#include "syslib.h"
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int sys_fork(parent, child, child_endpoint, map_ptr, flags, msgaddr)
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endpoint_t parent; /* process doing the fork */
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endpoint_t child; /* which proc has been created by the fork */
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endpoint_t *child_endpoint;
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struct mem_map *map_ptr;
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u32_t flags;
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vir_bytes *msgaddr;
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{
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/* A process has forked. Tell the kernel. */
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message m;
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int r;
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m.PR_ENDPT = parent;
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m.PR_SLOT = child;
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m.PR_MEM_PTR = (char *) map_ptr;
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m.PR_FORK_FLAGS = flags;
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r = _kernel_call(SYS_FORK, &m);
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*child_endpoint = m.PR_ENDPT;
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*msgaddr = (vir_bytes) m.PR_FORK_MSGADDR;
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return r;
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}
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