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VFS: add getting active threads control msg

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This commit is contained in:
Thomas Veerman 2012-04-02 15:25:37 +00:00
parent e1a73469c8
commit 933120b0b1
1 changed files with 16 additions and 3 deletions
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19
servers/vfs/misc.c
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@ -594,7 +594,7 @@ int ruid;
*===========================================================================*/
int do_svrctl()
{
int svrctl;
unsigned int svrctl;
vir_bytes ptr;
svrctl = job_m_in.svrctl_req;
@ -651,13 +651,19 @@ int do_svrctl()
r = ESRCH;
}
} else { /* VFSGETPARAM */
char small_buf[60];
r = ESRCH;
if (!strcmp(search_key, "print_traces")) {
mthread_stacktraces();
sysgetenv.val = 0;
sysgetenv.vallen = 0;
r = OK;
} else {
r = ESRCH;
} else if (!strcmp(search_key, "active_threads")) {
int active = NR_WTHREADS - worker_available();
sprintf(small_buf, "%d", active);
sysgetenv.vallen = strlen(small_buf);
r = OK;
}
if (r == OK) {
@ -665,6 +671,13 @@ int do_svrctl()
(vir_bytes) &sysgetenv, who_e, ptr,
sizeof(sysgetenv))) != OK)
return(s);
if (sysgetenv.val != 0) {
if ((s = sys_datacopy(SELF,
(vir_bytes) small_buf, who_e,
(vir_bytes) sysgetenv.val,
sysgetenv.vallen)) != OK)
return(s);
}
}
}