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Implement getrusage

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Implement getrusage.
These fields of struct rusage are not supported and always set to zero at this time
long ru_nswap;           /* swaps */
long ru_inblock;         /* block input operations */
long ru_oublock;         /* block output operations */
long ru_msgsnd;          /* messages sent */
long ru_msgrcv;          /* messages received */
long ru_nvcsw;           /* voluntary context switches */
long ru_nivcsw;          /* involuntary context switches */

test75.c is the unit test for this new function

Change-Id: I3f1eb69de1fce90d087d76773b09021fc6106539
This commit is contained in:
Xiaoguang Sun
2013-06-25 20:41:01 +08:00
committed by Gerrit Code Review
parent 4241cc5d98
commit 64f10ee644
41 changed files with 403 additions and 29 deletions
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2
kernel/system.c
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@@ -373,6 +373,7 @@ int send_sig(endpoint_t ep, int sig_nr)
priv = priv(rp);
if(!priv) return ENOENT;
sigaddset(&priv->s_sig_pending, sig_nr);
increase_proc_signals(rp);
mini_notify(proc_addr(SYSTEM), rp->p_endpoint);
return OK;
@@ -434,6 +435,7 @@ int sig_nr; /* signal to be sent */
/* Check if the signal is already pending. Process it otherwise. */
if (! sigismember(&rp->p_pending, sig_nr)) {
sigaddset(&rp->p_pending, sig_nr);
increase_proc_signals(rp);
if (! (RTS_ISSET(rp, RTS_SIGNALED))) { /* other pending */
RTS_SET(rp, RTS_SIGNALED | RTS_SIG_PENDING);
if(OK != send_sig(sig_mgr, SIGKSIG))