21 lines
453 B
C
21 lines
453 B
C
#include <kernel/process.h>
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// This function SHOULD NOT be called
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// without atomic operation !!
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// TODO: dynamic allocation ?
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pid_t process_alloc(struct process **process)
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{
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extern struct process_stack process_stack[PROCESS_MAX];
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for (int i = 0 ; i < PROCESS_MAX ; i = i + 1)
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{
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if (process_stack[i].status == PROC_UNUSED)
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{
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process_stack[i].status = PROC_USED;
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*process = &process_stack[i].process;
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return (i);
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}
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}
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return (-1);
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}
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