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New Makefiles for mkdep script.

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This commit is contained in:
Jorrit Herder
2005-06-24 16:21:54 +00:00
parent 042c4ac395
commit 5654996c07
13 changed files with 114 additions and 127 deletions
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16
drivers/printer/Makefile
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@@ -21,23 +21,21 @@ OBJ = printer.o
all build: $(DRIVER)
$(DRIVER): $(OBJ)
$(CC) -o $@ $(LDFLAGS) $(OBJ) $(LIBS)
install -S 64w $(DRIVER)
# install -S 64w $(DRIVER)
# install with other drivers
install: /usr/sbin/drivers/$(DRIVER)
/usr/sbin/drivers/$(DRIVER): $(DRIVER)
install -o root -cs $? $@
install -o root -c $? $@
# install -o root -cs $? $@
# clean up local files
clean:
rm -f *.o *.bak $(DRIVER)
# Dependencies
a = $d/drivers.h $b/interrupt.h $b/bios.h \
$i/ansi.h $i/string.h $i/limits.h $i/stddef.h $i/errno.h \
$m/config.h $m/type.h $m/com.h $m/callnr.h $m/const.h $s/types.h \
$m/syslib.h $s/types.h \
$m/utils.h $m/devio.h
depend:
/usr/bin/mkdep "$(CC) -E $(CPPFLAGS)" *.c > .depend
printer.o: $a
# Include generated dependencies.
include .depend

36
drivers/printer/printer.c
View File

@@ -12,7 +12,7 @@
* DEV_CLOSE: does nothing
* HARD_INT: interrupt handler has finished current chunk of output
* DEV_WRITE: a process wants to write on a terminal
* CANCEL: terminate a previous incomplete system call immediately
* CANCEL: terminate a previous incomplete system call immediately
*
* m_type TTY_LINE PROC_NR COUNT ADDRESS
* |-------------+---------+---------+---------+---------|
@@ -99,6 +99,8 @@ PRIVATE vir_bytes user_vir; /* address of remainder of user buf */
PRIVATE int writing; /* nonzero while write is in progress */
PRIVATE int irq_hook_id; /* id of irq hook at kernel */
extern int errno; /* error number */
FORWARD _PROTOTYPE( void do_cancel, (message *m_ptr) );
FORWARD _PROTOTYPE( void output_done, (void) );
FORWARD _PROTOTYPE( void do_write, (message *m_ptr) );
@@ -106,6 +108,25 @@ FORWARD _PROTOTYPE( void prepare_output, (void) );
FORWARD _PROTOTYPE( void do_initialize, (void) );
FORWARD _PROTOTYPE( void reply, (int code,int replyee,int proc,int status));
FORWARD _PROTOTYPE( void do_printer_output, (void) );
FORWARD _PROTOTYPE( void signal_handler, (int sig) );
/*===========================================================================*
* signal_handler *
*===========================================================================*/
PRIVATE void signal_handler(sig)
int sig; /* signal number */
{
/* Expect a SIGTERM signal when this server must shutdown. */
if (sig == SIGTERM) {
printf("Shutting down PRINTER driver\n");
exit(0);
} else {
printf("PRINTER got unknown signal\n");
}
}
/*===========================================================================*
* printer_task *
@@ -115,9 +136,18 @@ PUBLIC void main(void)
/* Main routine of the printer task. */
message pr_mess; /* buffer for all incoming messages */
printf("PRN: user-level printer driver is up and running\n");
#if DEAD_CODE
struct sigaction sigact;
/* Install signal handler.*/
sigact.sa_handler = signal_handler;
sigact.sa_mask = ~0; /* block all other signals */
sigact.sa_flags = 0; /* default behaviour */
printf("PRINTER calls sigaction()\n");
if (sigaction(SIGTERM, &sigact, NULL) != OK)
report("PRINTER","warning, sigaction() failed", errno);
#endif
while (TRUE) {
receive(ANY, &pr_mess);
switch(pr_mess.m_type) {