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Use nonblocking send for reply. Support for asynchronous message passing

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(needs cleaning up).
This commit is contained in:
Philip Homburg 2008-02-22 14:53:02 +00:00
parent 66c930ef8b
commit 097d8fee66
1 changed files with 44 additions and 1 deletions
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45
servers/vfs/main.c
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@ -70,6 +70,49 @@ PUBLIC int main()
printf("VFS: got call %d from %d\n", call_nr, who_e); printf("VFS: got call %d from %d\n", call_nr, who_e);
#endif #endif
if (call_nr == DEV_REVIVE)
{
endpoint_t endpt;
endpt = m_in.REP_ENDPT;
if(endpt == FS_PROC_NR) {
endpt = suspended_ep(m_in.m_source, m_in.REP_IO_GRANT);
if(endpt == NONE) {
printf("FS: proc with "
"grant %d from %d not found (revive)\n",
m_in.REP_IO_GRANT, m_in.m_source);
continue;
}
}
revive(endpt, m_in.REP_STATUS);
continue;
}
if (call_nr == DEV_REOPEN_REPL)
{
reopen_reply();
continue;
}
if (call_nr == DEV_CLOSE_REPL)
{
close_reply();
continue;
}
if (call_nr == DEV_SEL_REPL1)
{
select_reply1();
continue;
}
if (call_nr == DEV_SEL_REPL2)
{
select_reply2();
continue;
}
if (call_nr == DIAG_REPL)
{
diag_repl();
continue;
}
/* Check for special control messages first. */ /* Check for special control messages first. */
if ((call_nr & NOTIFY_MESSAGE)) { if ((call_nr & NOTIFY_MESSAGE)) {
if (call_nr == PROC_EVENT) if (call_nr == PROC_EVENT)
@ -243,7 +286,7 @@ int result; /* result of the call (usually OK or error #) */
printf("vfs:reply: replying %d for call %d\n", result, call_nr); printf("vfs:reply: replying %d for call %d\n", result, call_nr);
m_out.reply_type = result; m_out.reply_type = result;
s = send(whom, &m_out); s = sendnb(whom, &m_out);
if (s != OK) printf("VFS: couldn't send reply %d to %d: %d\n", if (s != OK) printf("VFS: couldn't send reply %d to %d: %d\n",
result, whom, s); result, whom, s);
} }