From 907debbb7d1e7ccc4914805cfe4acbed92b82bcc Mon Sep 17 00:00:00 2001 From: Charles Cabergs Date: Mon, 4 Jan 2021 12:20:25 +0100 Subject: Added buffered output, Added waiting for all to be started --- common/common.h | 3 ++- common/io.c | 44 ++++++++++++++++++++++++++------------------ 2 files changed, 28 insertions(+), 19 deletions(-) (limited to 'common') diff --git a/common/common.h b/common/common.h index d224264..09fdf79 100644 --- a/common/common.h +++ b/common/common.h @@ -6,7 +6,7 @@ /* By: cacharle +#+ +:+ +#+ */ /* +#+#+#+#+#+ +#+ */ /* Created: 2020/02/08 22:58:35 by cacharle #+# #+# */ -/* Updated: 2021/01/03 16:34:25 by cacharle ### ########.fr */ +/* Updated: 2021/01/04 11:52:30 by cacharle ### ########.fr */ /* */ /* ************************************************************************** */ @@ -62,6 +62,7 @@ void h_sleep(t_time sleep_time); void philo_put( size_t id, t_philo_event event, t_time initial_time); +void philo_put_flush(void); int h_err(int ret, const char *format, char *str); #endif diff --git a/common/io.c b/common/io.c index 5d50ccc..c01accd 100644 --- a/common/io.c +++ b/common/io.c @@ -6,7 +6,7 @@ /* By: cacharle +#+ +:+ +#+ */ /* +#+#+#+#+#+ +#+ */ /* Created: 2020/09/30 10:03:53 by cacharle #+# #+# */ -/* Updated: 2021/01/03 14:02:21 by cacharle ### ########.fr */ +/* Updated: 2021/01/04 12:10:14 by cacharle ### ########.fr */ /* */ /* ************************************************************************** */ @@ -14,7 +14,7 @@ static size_t st_strlen(char *s) { - int counter; + size_t counter; counter = 0; while (s[counter]) @@ -27,38 +27,46 @@ static char *st_nbrcpy(char *dst, long long int num) if (num > 9) dst = st_nbrcpy(dst, num / 10); dst[0] = num % 10 + '0'; - dst[1] = '\0'; return (dst + 1); } -static void st_strcat(char *dst, char *str) +static char *st_strcpy_end(char *dst, char *str) { - while (*dst != '\0') - dst++; while (*str != '\0') *dst++ = *str++; - *dst = '\0'; + return (dst); } +#define PHILO_PUT_BUF_SIZE 4048 + +static char g_buf[PHILO_PUT_BUF_SIZE + 256] = {'\0'}; +static char *g_curr = g_buf; + void philo_put(size_t id, t_philo_event event, t_time initial_time) { - static char buf[2048]; - buf[0] = '\0'; - st_nbrcpy(buf, h_time_now() - initial_time); - st_strcat(buf, " "); - st_nbrcpy(buf + st_strlen(buf), id); + g_curr = st_nbrcpy(g_curr, h_time_now() - initial_time); + g_curr = st_strcpy_end(g_curr, " "); + g_curr = st_nbrcpy(g_curr, id); if (event == EVENT_FORK) - st_strcat(buf, " has taken fork\n"); + g_curr = st_strcpy_end(g_curr, " has taken fork\n"); else if (event == EVENT_EAT) - st_strcat(buf, " is eating\n"); + g_curr = st_strcpy_end(g_curr, " is eating\n"); else if (event == EVENT_SLEEP) - st_strcat(buf, " is sleeping\n"); + g_curr = st_strcpy_end(g_curr, " is sleeping\n"); else if (event == EVENT_THINK) - st_strcat(buf, " is thinking\n"); + g_curr = st_strcpy_end(g_curr, " is thinking\n"); else if (event == EVENT_DIE) - st_strcat(buf, " died\n"); - write(STDOUT_FILENO, buf, st_strlen(buf)); + g_curr = st_strcpy_end(g_curr, " died\n"); + if (g_curr - g_buf > PHILO_PUT_BUF_SIZE) + philo_put_flush(); +} + +void philo_put_flush(void) +{ + write(STDOUT_FILENO, g_buf, g_curr - g_buf); + g_curr = g_buf; + g_buf[0] = '\0'; } int h_err(int ret, const char *format, char *str) -- cgit