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Improved NOTIFY system: fixed a minor error, ignore pending notifications

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on SENDREC system calls. To be done: resource (buffer pool) management;
make it structurally impossible to run out of buffers.
This commit is contained in:
Jorrit Herder
2005-05-27 12:44:14 +00:00
parent 77c3213948
commit c2be104821
11 changed files with 110 additions and 102 deletions
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4
kernel/proc.h
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@@ -72,8 +72,8 @@ struct proc {
/* Bits for p_flags in proc[]. A process is runnable iff p_flags == 0. */
#define NO_MAP 0x01 /* keeps unmapped forked child from running */
#define SENDING 0x02 /* set when process blocked trying to send */
#define RECEIVING 0x04 /* set when process blocked trying to recv */
#define SENDING 0x02 /* process blocked trying to SEND */
#define RECEIVING 0x04 /* process blocked trying to RECEIVE */
#define PENDING 0x10 /* set when inform() of signal pending */
#define SIG_PENDING 0x20 /* keeps to-be-signalled proc from running */
#define P_STOP 0x40 /* set when process is being traced */