Shichao An shichao-an

shichao-an / apue_tms.h

Created July 9, 2015 22:11

	struct tms {
	clock_t tms_utime; /* user CPU time */
	clock_t tms_stime; /* system CPU time */
	clock_t tms_cutime; /* user CPU time, terminated children */
	clock_t tms_cstime; /* system CPU time, terminated children */
	};

shichao-an / apue_setpriority.h

Created July 9, 2015 21:29

	#include <sys/resource.h>

	int setpriority(int which, id_t who, int value);

	/* Returns: 0 if OK, −1 on error */

shichao-an / apue_getpriority.h

Created July 9, 2015 21:11

	#include <sys/resource.h>

	int getpriority(int which, id_t who);

	/* Returns: nice value between −NZERO and NZERO−1 if OK, −1 on error */

shichao-an / apue_nice.h

Created July 9, 2015 19:00

	#include <unistd.h>

	int nice(int incr);

	/* Returns: new nice value − NZERO if OK, −1 on error */

shichao-an / apue_getlogin.h

Created July 9, 2015 17:42

	#include <unistd.h>

	char *getlogin(void);

	/* Returns: pointer to string giving login name if OK, NULL on error */

shichao-an / apue_acct.h

Created July 9, 2015 01:35

	typedef u_short comp_t; /* 3-bit base 8 exponent; 13-bit fraction */

	struct acct
	{
	char ac_flag; /* flag (see Figure 8.26) */
	char ac_stat; /* termination status (signal & core flag only) */
	/* (Solaris only) */
	uid_t ac_uid; /* real user ID */
	gid_t ac_gid; /* real group ID */
	dev_t ac_tty; /* controlling terminal */

shichao-an / apue_system.h

Created July 8, 2015 23:46

	#include <stdlib.h>

	int system(const char *cmdstring);

shichao-an / apue_seteuid.h

Created July 8, 2015 18:38

shichao-an / apue_setreuid.h

Created July 8, 2015 17:59

	#include <unistd.h>

	int setreuid(uid_t ruid, uid_t euid);
	int setregid(gid_t rgid, gid_t egid);

	/* Both return: 0 if OK, −1 on error */

shichao-an / apue_setuid.h

Created July 8, 2015 02:16