tools/llvm: Do not build with symbols
[minix3.git] / minix / servers / pm / mproc.h
blobb99a54cfb3302d2e21ab99551d2735c9bbe7d5e2
1 /* This table has one slot per process. It contains all the process management
2 * information for each process. Among other things, it defines the text, data
3 * and stack segments, uids and gids, and various flags. The kernel and file
4 * systems have tables that are also indexed by process, with the contents
5 * of corresponding slots referring to the same process in all three.
6 */
7 #include <limits.h>
8 #include <minix/timers.h>
9 #include <signal.h>
11 #include <sys/cdefs.h>
13 /* Needs to be included here, for 'ps' etc */
14 #include "const.h"
16 EXTERN struct mproc {
17 char mp_exitstatus; /* storage for status when process exits */
18 char mp_sigstatus; /* storage for signal # for killed procs */
19 pid_t mp_pid; /* process id */
20 endpoint_t mp_endpoint; /* kernel endpoint id */
21 pid_t mp_procgrp; /* pid of process group (used for signals) */
22 pid_t mp_wpid; /* pid this process is waiting for */
23 int mp_parent; /* index of parent process */
24 int mp_tracer; /* index of tracer process, or NO_TRACER */
26 /* Child user and system times. Accounting done on child exit. */
27 clock_t mp_child_utime; /* cumulative user time of children */
28 clock_t mp_child_stime; /* cumulative sys time of children */
30 /* Real and effective uids and gids. */
31 uid_t mp_realuid; /* process' real uid */
32 uid_t mp_effuid; /* process' effective uid */
33 gid_t mp_realgid; /* process' real gid */
34 gid_t mp_effgid; /* process' effective gid */
36 /* Supplemental groups. */
37 int mp_ngroups; /* number of supplemental groups */
38 gid_t mp_sgroups[NGROUPS_MAX];/* process' supplemental groups */
40 /* Signal handling information. */
41 sigset_t mp_ignore; /* 1 means ignore the signal, 0 means don't */
42 sigset_t mp_catch; /* 1 means catch the signal, 0 means don't */
43 sigset_t mp_sigmask; /* signals to be blocked */
44 sigset_t mp_sigmask2; /* saved copy of mp_sigmask */
45 sigset_t mp_sigpending; /* pending signals to be handled */
46 sigset_t mp_ksigpending; /* bitmap for pending signals from the kernel */
47 sigset_t mp_sigtrace; /* signals to hand to tracer first */
48 struct sigaction mp_sigact[_NSIG]; /* as in sigaction(2) */
49 #ifdef __ACK__
50 char mp_padding[60]; /* align structure with new libc */
51 #endif
52 vir_bytes mp_sigreturn; /* address of C library __sigreturn function */
53 minix_timer_t mp_timer; /* watchdog timer for alarm(2), setitimer(2) */
54 clock_t mp_interval[NR_ITIMERS]; /* setitimer(2) repetition intervals */
56 unsigned mp_flags; /* flag bits */
57 unsigned mp_trace_flags; /* trace options */
58 message mp_reply; /* reply message to be sent to one */
60 /* Process execution frame. Both fields are used by procfs. */
61 vir_bytes mp_frame_addr; /* ptr to proc's initial stack arguments */
62 size_t mp_frame_len; /* size of proc's initial stack arguments */
64 /* Scheduling priority. */
65 signed int mp_nice; /* nice is PRIO_MIN..PRIO_MAX, standard 0. */
67 /* User space scheduling */
68 endpoint_t mp_scheduler; /* scheduler endpoint id */
70 char mp_name[PROC_NAME_LEN]; /* process name */
72 int mp_magic; /* sanity check, MP_MAGIC */
73 } mproc[NR_PROCS];
75 /* Flag values */
76 #define IN_USE 0x00001 /* set when 'mproc' slot in use */
77 #define WAITING 0x00002 /* set by WAITPID system call */
78 #define ZOMBIE 0x00004 /* waiting for parent to issue WAITPID call */
79 #define PROC_STOPPED 0x00008 /* process is stopped in the kernel */
80 #define ALARM_ON 0x00010 /* set when SIGALRM timer started */
81 #define EXITING 0x00020 /* set by EXIT, process is now exiting */
82 #define TOLD_PARENT 0x00040 /* parent wait() completed, ZOMBIE off */
83 #define TRACE_STOPPED 0x00080 /* set if process stopped for tracing */
84 #define SIGSUSPENDED 0x00100 /* set by SIGSUSPEND system call */
85 #define VFS_CALL 0x00400 /* set if waiting for VFS (normal calls) */
86 #define NEW_PARENT 0x00800 /* process's parent changed during VFS call */
87 #define UNPAUSED 0x01000 /* VFS has replied to unpause request */
88 #define PRIV_PROC 0x02000 /* system process, special privileges */
89 #define PARTIAL_EXEC 0x04000 /* process got a new map but no content */
90 #define TRACE_EXIT 0x08000 /* tracer is forcing this process to exit */
91 #define TRACE_ZOMBIE 0x10000 /* waiting for tracer to issue WAITPID call */
92 #define DELAY_CALL 0x20000 /* waiting for call before sending signal */
93 #define TAINTED 0x40000 /* process is 'tainted' */
95 #define MP_MAGIC 0xC0FFEE0