diff options
Diffstat (limited to 'include/qemu/log.h')
-rw-r--r-- | include/qemu/log.h | 93 |
1 files changed, 11 insertions, 82 deletions
diff --git a/include/qemu/log.h b/include/qemu/log.h index 5739c7e6d8..c5643d8dd5 100644 --- a/include/qemu/log.h +++ b/include/qemu/log.h @@ -3,46 +3,16 @@ /* A small part of this API is split into its own header */ #include "qemu/log-for-trace.h" -#include "qemu/rcu.h" - -typedef struct QemuLogFile { - struct rcu_head rcu; - FILE *fd; -} QemuLogFile; - -/* Private global variable, don't use */ -extern QemuLogFile *qemu_logfile; - /* * The new API: - * */ -/* Log settings checking macros: */ - -/* Returns true if qemu_log() will really write somewhere - */ -static inline bool qemu_log_enabled(void) -{ - return qemu_logfile != NULL; -} +/* Returns true if qemu_log() will really write somewhere. */ +bool qemu_log_enabled(void); -/* Returns true if qemu_log() will write somewhere else than stderr - */ -static inline bool qemu_log_separate(void) -{ - QemuLogFile *logfile; - bool res = false; - - rcu_read_lock(); - logfile = qatomic_rcu_read(&qemu_logfile); - if (logfile && logfile->fd != stderr) { - res = true; - } - rcu_read_unlock(); - return res; -} +/* Returns true if qemu_log() will write somewhere other than stderr. */ +bool qemu_log_separate(void); #define CPU_LOG_TB_OUT_ASM (1 << 0) #define CPU_LOG_TB_IN_ASM (1 << 1) @@ -64,51 +34,15 @@ static inline bool qemu_log_separate(void) #define CPU_LOG_PLUGIN (1 << 18) /* LOG_STRACE is used for user-mode strace logging. */ #define LOG_STRACE (1 << 19) +#define LOG_PER_THREAD (1 << 20) -/* Lock output for a series of related logs. Since this is not needed - * for a single qemu_log / qemu_log_mask / qemu_log_mask_and_addr, we - * assume that qemu_loglevel_mask has already been tested, and that - * qemu_loglevel is never set when qemu_logfile is unset. - */ +/* Lock/unlock output. */ -static inline FILE *qemu_log_lock(void) -{ - QemuLogFile *logfile; - rcu_read_lock(); - logfile = qatomic_rcu_read(&qemu_logfile); - if (logfile) { - qemu_flockfile(logfile->fd); - return logfile->fd; - } else { - return NULL; - } -} - -static inline void qemu_log_unlock(FILE *fd) -{ - if (fd) { - qemu_funlockfile(fd); - } - rcu_read_unlock(); -} +FILE *qemu_log_trylock(void) G_GNUC_WARN_UNUSED_RESULT; +void qemu_log_unlock(FILE *fd); /* Logging functions: */ -/* vfprintf-like logging function - */ -static inline void G_GNUC_PRINTF(1, 0) -qemu_log_vprintf(const char *fmt, va_list va) -{ - QemuLogFile *logfile; - - rcu_read_lock(); - logfile = qatomic_rcu_read(&qemu_logfile); - if (logfile) { - vfprintf(logfile->fd, fmt, va); - } - rcu_read_unlock(); -} - /* log only if a bit is set on the current loglevel mask: * @mask: bit to check in the mask * @fmt: printf-style format string @@ -147,9 +81,9 @@ typedef struct QEMULogItem { extern const QEMULogItem qemu_log_items[]; -void qemu_set_log(int log_flags); -void qemu_log_needs_buffers(void); -void qemu_set_log_filename(const char *filename, Error **errp); +bool qemu_set_log(int log_flags, Error **errp); +bool qemu_set_log_filename(const char *filename, Error **errp); +bool qemu_set_log_filename_flags(const char *name, int flags, Error **errp); void qemu_set_dfilter_ranges(const char *ranges, Error **errp); bool qemu_log_in_addr_range(uint64_t addr); int qemu_str_to_log_mask(const char *str); @@ -159,9 +93,4 @@ int qemu_str_to_log_mask(const char *str); */ void qemu_print_log_usage(FILE *f); -/* fflush() the log file */ -void qemu_log_flush(void); -/* Close the log file */ -void qemu_log_close(void); - #endif |