35a108b911
this change
- makes panic() variadic, doing full printf() formatting -
no more NO_NUM, and no more separate printf() statements
needed to print extra info (or something in hex) before panicing
- unifies panic() - same panic() name and usage for everyone -
vm, kernel and rest have different names/syntax currently
in order to implement their own luxuries, but no longer
- throws out the 1st argument, to make source less noisy.
the panic() in syslib retrieves the server name from the kernel
so it should be clear enough who is panicing; e.g.
panic("sigaction failed: %d", errno);
looks like:
at_wini(73130): panic: sigaction failed: 0
syslib:panic.c: stacktrace: 0x74dc 0x2025 0x100a
- throws out report() - printf() is more convenient and powerful
- harmonizes/fixes the use of panic() - there were a few places
that used printf-style formatting (didn't work) and newlines
(messes up the formatting) in panic()
- throws out a few per-server panic() functions
- cleans up a tie-in of tty with panic()
merging printf() and panic() statements to be done incrementally.
125 lines
3.5 KiB
C
125 lines
3.5 KiB
C
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/* This file contains the main directory for the server. It waits for a
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* request and then send a response. */
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#include "inc.h"
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#include <minix/vfsif.h>
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#include "const.h"
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#include "glo.h"
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/* Declare some local functions. */
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FORWARD _PROTOTYPE(void get_work, (message *m_in) );
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/* SEF functions and variables. */
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FORWARD _PROTOTYPE( void sef_local_startup, (void) );
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FORWARD _PROTOTYPE( int sef_cb_init_fresh, (int type, sef_init_info_t *info) );
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/*===========================================================================*
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* main *
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*===========================================================================*/
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PUBLIC int main(void) {
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int who_e, ind, error;
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message m;
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/* SEF local startup. */
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sef_local_startup();
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for (;;) {
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/* Wait for request message. */
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get_work(&fs_m_in);
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error = OK;
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caller_uid = -1; /* To trap errors */
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caller_gid = -1;
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who_e = fs_m_in.m_source; /* source of the request */
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if (who_e != FS_PROC_NR) { /* If the message is not for us just
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* continue */
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continue;
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}
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req_nr = fs_m_in.m_type;
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if (req_nr < VFS_BASE) {
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fs_m_in.m_type += VFS_BASE;
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req_nr = fs_m_in.m_type;
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}
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ind = req_nr-VFS_BASE;
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if (ind < 0 || ind >= NREQS) {
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error = EINVAL;
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} else
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error = (*fs_call_vec[ind])(); /* Process the request calling
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* the appropriate function. */
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fs_m_out.m_type = error;
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reply(who_e, &fs_m_out); /* returns the response to VFS */
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}
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}
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/*===========================================================================*
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* sef_local_startup *
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*===========================================================================*/
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PRIVATE void sef_local_startup()
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{
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/* Register init callbacks. */
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sef_setcb_init_fresh(sef_cb_init_fresh);
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sef_setcb_init_restart(sef_cb_init_restart_fail);
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/* No live update support for now. */
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/* Let SEF perform startup. */
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sef_startup();
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}
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/*===========================================================================*
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* sef_cb_init_fresh *
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*===========================================================================*/
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PRIVATE int sef_cb_init_fresh(int type, sef_init_info_t *info)
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{
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/* Initialize the iso9660fs server. */
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int i, r;
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/* Init driver mapping */
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for (i = 0; i < NR_DEVICES; ++i)
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driver_endpoints[i].driver_e = NONE;
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/* SELF_E will contain the id of this process */
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SELF_E = getprocnr();
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/* hash_init(); */ /* Init the table with the ids */
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setenv("TZ","",1); /* Used to calculate the time */
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fs_m_in.m_type = FS_READY;
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if ((r = send(FS_PROC_NR, &fs_m_in)) != OK) {
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panic("Error sending login to VFS: %d", r);
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}
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return(OK);
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}
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/*===========================================================================*
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* get_work *
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*===========================================================================*/
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PRIVATE void get_work(m_in)
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message *m_in; /* pointer to message */
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{
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int s; /* receive status */
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if (OK != (s = sef_receive(ANY, m_in))) /* wait for message */
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panic("sef_receive failed: %d", s);
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}
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/*===========================================================================*
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* reply *
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*===========================================================================*/
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PUBLIC void reply(who, m_out)
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int who;
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message *m_out; /* report result */
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{
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if (OK != send(who, m_out)) /* send the message */
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printf("ISOFS(%d) was unable to send reply\n", SELF_E);
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}
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