/*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2006 Apple Computer, Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
#include <machine/spl.h>
#include <libkern/libkern.h>
+/* for vaddlog(): the following are implemented in osfmk/kern/printf.c */
+extern void bsd_log_lock(void);
+extern void bsd_log_unlock(void);
+
+/* Keep this around only because it's exported */
+void _printf(int, struct tty *, const char *, ...);
+
struct snprintf_arg {
char *str;
size_t remain;
*/
extern const char *panicstr;
-extern cnputc(); /* standard console putc */
-int (*v_putc)() = cnputc; /* routine to putc on virtual console */
+extern void cnputc(char); /* standard console putc */
+void (*v_putc)(char) = cnputc; /* routine to putc on virtual console */
extern struct tty cons; /* standard console tty */
extern struct tty *constty; /* pointer to console "window" tty */
extern int __doprnt(const char *fmt,
va_list *argp,
- void (*putc)(int, void *arg),
+ void (*)(int, void *),
void *arg,
int radix);
/*
* Record cpu that panic'd and lock around panic data
*/
-
-static void puts(const char *s, int flags, struct tty *ttyp);
static void printn(u_long n, int b, int flags, struct tty *ttyp, int zf, int fld_size);
#if NCPUS > 1
boolean_t new_printf_cpu_number; /* do we need to output who we are */
#endif
-extern void logwakeup();
-extern void halt_cpu();
-extern boot();
-
+extern void logwakeup(void);
+extern void halt_cpu(void);
static void
snprintf_func(int ch, void *arg);
void
uprintf(const char *fmt, ...)
{
- register struct proc *p = current_proc();
+ struct proc *p = current_proc();
struct putchar_args pca;
va_list ap;
+ struct session * sessp;
+ boolean_t fstate;
+ sessp = proc_session(p);
+
+ fstate = thread_funnel_set(kernel_flock, TRUE);
pca.flags = TOTTY;
- pca.tty = (struct tty *)p->p_session->s_ttyp;
+ pca.tty = (struct tty *)sessp->s_ttyp;
- if (p->p_flag & P_CONTROLT && p->p_session->s_ttyvp) {
+ if (p->p_flag & P_CONTROLT && sessp->s_ttyvp) {
va_start(ap, fmt);
__doprnt(fmt, &ap, putchar, &pca, 10);
va_end(ap);
}
+ (void) thread_funnel_set(kernel_flock, fstate);
+ session_rele(sessp);
}
tpr_t
-tprintf_open(p)
- register struct proc *p;
+tprintf_open(struct proc *p)
{
- if (p->p_flag & P_CONTROLT && p->p_session->s_ttyvp) {
- SESSHOLD(p->p_session);
- return ((tpr_t) p->p_session);
+ struct session * sessp;
+
+ sessp = proc_session(p);
+
+ if (p->p_flag & P_CONTROLT && sessp->s_ttyvp) {
+ return ((tpr_t)sessp);
}
+ if (sessp != SESSION_NULL)
+ session_rele(sessp);
+
return ((tpr_t) NULL);
}
void
-tprintf_close(sess)
- tpr_t sess;
+tprintf_close(tpr_t sessp)
{
- if (sess)
- SESSRELE((struct session *) sess);
+ if (sessp)
+ session_rele((struct session *) sessp);
}
/*
void
tprintf(tpr_t tpr, const char *fmt, ...)
{
- register struct session *sess = (struct session *)tpr;
+ struct session *sess = (struct session *)tpr;
struct tty *tp = NULL;
int flags = TOLOG;
va_list ap;
struct putchar_args pca;
+ boolean_t fstate;
logpri(LOG_INFO);
+ /* to protect tty */
+ fstate = thread_funnel_set(kernel_flock, TRUE);
+
if (sess && sess->s_ttyvp && ttycheckoutq(sess->s_ttyp, 0)) {
flags |= TOTTY;
tp = sess->s_ttyp;
__doprnt(fmt, &ap, putchar, &pca, 10);
va_end(ap);
+ (void) thread_funnel_set(kernel_flock, fstate);
+
logwakeup();
}
ttyprintf(struct tty *tp, const char *fmt, ...)
{
va_list ap;
+ boolean_t fstate;
if (tp != NULL) {
+ fstate = thread_funnel_set(kernel_flock, TRUE);
struct putchar_args pca;
pca.flags = TOTTY;
pca.tty = tp;
va_start(ap, fmt);
__doprnt(fmt, &ap, putchar, &pca, 10);
va_end(ap);
+ (void) thread_funnel_set(kernel_flock, fstate);
}
}
void
-logpri(level)
- int level;
+logpri(int level)
{
struct putchar_args pca;
pca.flags = TOLOG;
putchar('>', &pca);
}
-void
-addlog(const char *fmt, ...)
+static void
+_logtime(const char *fmt, ...)
{
- register s = splhigh();
va_list ap;
+ va_start(ap, fmt);
+ vaddlog(fmt, ap);
+ va_end(ap);
+}
+
+void
+logtime(time_t secs)
+{
+ _logtime(" 0 [Time %ld] [Message ", secs);
+}
+
+int
+vaddlog(const char *fmt, va_list ap)
+{
struct putchar_args pca;
- pca.flags = TOLOG;
+ pca.flags = TOLOGLOCKED;
pca.tty = NULL;
- va_start(ap, fmt);
- __doprnt(fmt, &ap, putchar, &pca, 10);
-
- splx(s);
if (!log_open) {
- pca.flags = TOCONS;
- __doprnt(fmt, &ap, putchar, &pca, 10);
+ pca.flags |= TOCONS;
}
- va_end(ap);
+
+ bsd_log_lock();
+ __doprnt(fmt, &ap, putchar, &pca, 10);
+ bsd_log_unlock();
+
logwakeup();
+ return 0;
}
-void _printf(int flags, struct tty *ttyp, const char *format, ...)
+
+void
+_printf(int flags, struct tty *ttyp, const char *format, ...)
{
va_list ap;
struct putchar_args pca;
+ boolean_t fstate;
pca.flags = flags;
pca.tty = ttyp;
+ fstate = thread_funnel_set(kernel_flock, TRUE);
va_start(ap, format);
__doprnt(format, &ap, putchar, &pca, 10);
va_end(ap);
+ (void) thread_funnel_set(kernel_flock, fstate);
}
int prf(const char *fmt, va_list ap, int flags, struct tty *ttyp)
return 0;
}
-static void puts(const char *s, int flags, struct tty *ttyp)
-{
- register char c;
- struct putchar_args pca;
-
- pca.flags = flags;
- pca.tty = ttyp;
-
- while ((c = *s++))
- putchar(c, &pca);
-}
-
/*
* Printn prints a number n in base b.
* We don't use recursion to avoid deep kernel stacks.
static void printn(u_long n, int b, int flags, struct tty *ttyp, int zf, int fld_size)
{
char prbuf[11];
- register char *cp;
+ char *cp;
struct putchar_args pca;
pca.flags = flags;
putchar(int c, void *arg)
{
struct putchar_args *pca = arg;
- register struct msgbuf *mbp;
char **sp = (char**) pca->tty;
if (panicstr)
constty = 0;
if ((pca->flags & TOLOG) && c != '\0' && c != '\r' && c != 0177)
log_putc(c);
+ if ((pca->flags & TOLOGLOCKED) && c != '\0' && c != '\r' && c != 0177)
+ log_putc_locked(c);
if ((pca->flags & TOCONS) && constty == 0 && c != '\0')
(*v_putc)(c);
if (pca->flags & TOSTR) {
}
}
+int
+vprintf(const char *fmt, va_list ap)
+{
+ struct putchar_args pca;
+ pca.flags = TOLOG | TOCONS;
+ pca.tty = NULL;
+ __doprnt(fmt, &ap, putchar, &pca, 10);
+ return 0;
+}
/*
* Scaled down version of vsprintf(3).
+ *
+ * Deprecation Warning:
+ * vsprintf() is being deprecated. Please use vsnprintf() instead.
*/
int
vsprintf(char *buf, const char *cfmt, va_list ap)
projects / apple / xnu.git / blobdiff