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Update process_wait to temporarily sleep for 1 second to allow user programs to run

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sBubshait
2024-11-06 15:46:47 +00:00
parent 74efa5e652
commit ab716de0a6
1 changed files with 7 additions and 1 deletions
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8
src/userprog/process.c
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@@ -17,6 +17,7 @@
#include "threads/palloc.h" #include "threads/palloc.h"
#include "threads/thread.h" #include "threads/thread.h"
#include "threads/vaddr.h" #include "threads/vaddr.h"
#include "devices/timer.h"
static thread_func start_process NO_RETURN; static thread_func start_process NO_RETURN;
static bool load (const char *cmdline, void (**eip) (void), void **esp); static bool load (const char *cmdline, void (**eip) (void), void **esp);
@@ -88,7 +89,12 @@ start_process (void *file_name_)
int int
process_wait (tid_t child_tid UNUSED) process_wait (tid_t child_tid UNUSED)
{ {
return -1; /* As a temporary wait, waiting will just put the thread to sleep for one
second (TIMER_FREQ = 100 ticks ~ 1 second). */
/* TODO: Implement process_wait () correctly. Remove the next line. */
timer_sleep (TIMER_FREQ);
return 0; /* TODO: Change this too */
} }
/* Free the current process's resources. */ /* Free the current process's resources. */