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No more E{SRC,DST}DIED errno's, replaced by EDEADSRCDST.

Browse source 
The callers don't care about the difference and had to check 3 error
codes instead of one.
This commit is contained in:
Ben Gras 2010-03-03 15:47:16 +00:00
parent eedff09bfd
commit adf0b6fb26
5 changed files with 8 additions and 13 deletions
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3
drivers/filter/driver.c
View file

@ -564,8 +564,7 @@ static int check_senda(int which)
amp = &amsgtable[which];
if ((amp->flags & AMF_DONE) &&
(amp->result == EDEADSRCDST || amp->result == EDSTDIED)) {
if ((amp->flags & AMF_DONE) && (amp->result == EDEADSRCDST)) {
return BD_DEAD;
}

2
include/errno.h
View file

@ -119,8 +119,6 @@ extern int errno; /* place where the error numbers go */
#define EDEADSRCDST (_SIGN 105) /* source or destination is not alive */
#define ENOTREADY (_SIGN 106) /* source or destination is not ready */
#define EBADREQUEST (_SIGN 107) /* destination cannot handle request */
#define ESRCDIED (_SIGN 108) /* source just died */
#define EDSTDIED (_SIGN 109) /* destination just died */
#define ETRAPDENIED (_SIGN 110) /* IPC trap not allowed */
#define EDONTREPLY (_SIGN 201) /* pseudo-code: don't send a reply */

6
servers/iso9660fs/device.c
View file

@ -188,7 +188,7 @@ int flags; /* special flags, like O_NONBLOCK */
driver_e = driver_endpoints[(dev >> MAJOR) & BYTE].driver_e;
/* See if driver is roughly valid. */
if (driver_e == NONE) return(EDSTDIED);
if (driver_e == NONE) return(EDEADSRCDST);
/* The io vector copying relies on this I/O being for FS itself. */
if(proc_e != SELF_E) {
@ -229,7 +229,7 @@ int flags; /* special flags, like O_NONBLOCK */
* - VFS sends the new driver endp for the FS proc and the request again
*/
if (r != OK) {
if (r == EDEADSRCDST || r == EDSTDIED || r == ESRCDIED) {
if (r == EDEADSRCDST) {
printf("ISOFS(%d) dead driver %d\n", SELF_E, driver_e);
driver_endpoints[(dev >> MAJOR) & BYTE].driver_e = NONE;
return(r);
@ -302,7 +302,7 @@ message *mess_ptr; /* pointer to message for task */
r = sendrec(task_nr, mess_ptr);
if (r != OK) {
if (r == EDEADSRCDST || r == EDSTDIED || r == ESRCDIED) {
if (r == EDEADSRCDST) {
printf("fs: dead driver %d\n", task_nr);
panic(__FILE__, "should handle crashed drivers",
NO_NUM);

6
servers/mfs/device.c
View file

@ -178,7 +178,7 @@ int flags; /* special flags, like O_NONBLOCK */
/* See if driver is roughly valid. */
if (driver_e == NONE) {
printf("MFS(%d) block_dev_io: no driver for dev %x\n", SELF_E, dev);
return(EDSTDIED);
return(EDEADSRCDST);
}
/* The io vector copying relies on this I/O being for FS itself. */
@ -220,7 +220,7 @@ int flags; /* special flags, like O_NONBLOCK */
* - VFS sends the new driver endp for the FS proc and the request again
*/
if (r != OK) {
if (r == EDEADSRCDST || r == EDSTDIED || r == ESRCDIED) {
if (r == EDEADSRCDST) {
printf("MFS(%d) dead driver %d\n", SELF_E, driver_e);
driver_endpoints[(dev >> MAJOR) & BYTE].driver_e = NONE;
return r;
@ -329,7 +329,7 @@ message *mess_ptr; /* pointer to message for task */
r = sendrec(task_nr, mess_ptr);
if (r != OK) {
if (r == EDEADSRCDST || r == EDSTDIED || r == ESRCDIED) {
if (r == EDEADSRCDST) {
printf("fs: dead driver %d\n", task_nr);
panic(__FILE__, "should handle crashed drivers",
NO_NUM);

4
servers/vfs/device.c
View file

@ -158,8 +158,6 @@ PUBLIC void dev_status(message *m)
if ((r = sendrec(m->m_source, &st)) != OK) {
printf("DEV_STATUS failed to %d: %d\n", m->m_source, r);
if (r == EDEADSRCDST) return;
if (r == EDSTDIED) return;
if (r == ESRCDIED) return;
panic(__FILE__,"couldn't sendrec for DEV_STATUS", r);
}
@ -619,7 +617,7 @@ message *mess_ptr; /* pointer to message for task */
proc_e = mess_ptr->IO_ENDPT;
r = sendrec(task_nr, mess_ptr);
if (r != OK) {
if (r == EDEADSRCDST || r == EDSTDIED || r == ESRCDIED) {
if (r == EDEADSRCDST) {
printf("fs: dead driver %d\n", task_nr);
dmap_unmap_by_endpt(task_nr);
return(r);