diff options
Diffstat (limited to 'libps')
| -rw-r--r-- | libps/ps.h | 64 |
1 files changed, 64 insertions, 0 deletions
@@ -25,6 +25,7 @@ #include <mach/mach.h> #include <pwd.h> #include <ihash.h> +#include <errno.h> #ifndef bool #define bool int @@ -731,6 +732,69 @@ error_t proc_stat_list_add_threads(proc_stat_list_t pp); error_t proc_stat_list_remove_threads(proc_stat_list_t pp); + +/* ---------------------------------------------------------------- */ +/* + The Basic & Sched info types are pretty static, so we cache them, but load + info is dynamic so we don't cache that. + + See <mach/host_info.h> for information on the data types these routines + return. +*/ + +/* Return the current host port. */ +host_t ps_get_host(); + +/* Return a pointer to basic info about the current host in HOST_INFO. Since + this is static global information we just use a static buffer. If a + system error occurs, the error code is returned, otherwise 0. */ +error_t ps_host_basic_info(host_basic_info_t *host_info); + +/* Return a pointer to scheduling info about the current host in HOST_INFO. + Since this is static global information we just use a static buffer. If a + system error occurs, the error code is returned, otherwise 0. */ +error_t ps_host_sched_info(host_sched_info_t *host_info); + +/* Return a pointer to load info about the current host in HOST_INFO. Since + this is global information we just use a static buffer (if someone desires + to keep old load info, they should copy the buffer we return a pointer + to). If a system error occurs, the error code is returned, otherwise 0. */ +error_t ps_host_load_info(host_load_info_t *host_info); + /* ---------------------------------------------------------------- */ +/* Write at most MAX_LEN characters of STRING to STREAM (if MAX_LEN > the + length of STRING, then write all of it; if MAX_LEN == -1, then write all + of STRING regardless). If COUNT is non-NULL, the number of characters + written is added to the integer it points to. If an error occurs, the + error code is returned, otherwise 0. */ +error_t ps_write_string(char *string, int max_len, FILE *stream, int *count); + +/* Write NUM spaces to STREAM. If COUNT is non-NULL, the number of spaces + written is added to the integer it points to. If an error occurs, the + error code is returned, otherwise 0. */ +error_t ps_write_spaces(int num, FILE *stream, int *count); + +/* Write as many spaces to STREAM as required to make a field of width SOFAR + be at least WIDTH characters wide (the absolute value of WIDTH is used). + If COUNT is non-NULL, the number of spaces written is added to the integer + it points to. If an error occurs, the error code is returned, otherwise + 0. */ +error_t ps_write_padding(int sofar, int width, FILE *stream, int *count); + +/* Write the string BUF to STREAM, padded on one side with spaces to be at + least the absolute value of WIDTH long: if WIDTH >= 0, then on the left + side, otherwise on the right side. If COUNT is non-NULL, the number of + characters written is added to the integer it points to. If an error + occurs, the error code is returned, otherwise 0. */ +error_t ps_write_field(char *buf, int width, FILE *stream, int *count); + +/* Write the decimal representation of VALUE to STREAM, padded on one side + with spaces to be at least the absolute value of WIDTH long: if WIDTH >= + 0, then on the left side, otherwise on the right side. If COUNT is + non-NULL, the number of characters written is added to the integer it + points to. If an error occurs, the error code is returned, otherwise 0. */ +error_t ps_write_int_field(int value, int width, FILE *stream, int *count); + + #endif /* __PS_H__ */ |