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Kernel: fix clearing IPC references resulting in system crash

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This commit is contained in:
David van Moolenbroek 2011-01-18 10:18:08 +00:00
parent 04229f0581
commit 9c7dcbfec3
1 changed files with 3 additions and 3 deletions
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6
kernel/system.c
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@ -540,9 +540,9 @@ PRIVATE void clear_ipc(
} }
xpp = &(*xpp)->p_q_link; /* proceed to next queued */ xpp = &(*xpp)->p_q_link; /* proceed to next queued */
} }
rc->p_rts_flags &= ~RTS_SENDING; RTS_UNSET(rc, RTS_SENDING);
} }
rc->p_rts_flags &= ~RTS_RECEIVING; RTS_UNSET(rc, RTS_RECEIVING);
} }
/*===========================================================================* /*===========================================================================*
@ -600,7 +600,7 @@ int caller_ret; /* code to return on callers */
/* Check if process depends on given process. */ /* Check if process depends on given process. */
if (P_BLOCKEDON(rp) == rc->p_endpoint) { if (P_BLOCKEDON(rp) == rc->p_endpoint) {
rp->p_reg.retreg = caller_ret; /* return requested code */ rp->p_reg.retreg = caller_ret; /* return requested code */
RTS_UNSET(rp, (RTS_RECEIVING|RTS_SENDING)); /* no longer blocking */ clear_ipc(rp);
} }
} }
} }