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glibc  2.9
procfs.h
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00001 /* Copyright (C) 1996, 1997, 1999, 2004 Free Software Foundation, Inc.
00002    This file is part of the GNU C Library.
00003 
00004    The GNU C Library is free software; you can redistribute it and/or
00005    modify it under the terms of the GNU Lesser General Public
00006    License as published by the Free Software Foundation; either
00007    version 2.1 of the License, or (at your option) any later version.
00008 
00009    The GNU C Library is distributed in the hope that it will be useful,
00010    but WITHOUT ANY WARRANTY; without even the implied warranty of
00011    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012    Lesser General Public License for more details.
00013 
00014    You should have received a copy of the GNU Lesser General Public
00015    License along with the GNU C Library; if not, write to the Free
00016    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
00017    02111-1307 USA.  */
00018 
00019 #ifndef _SYS_PROCFS_H
00020 #define _SYS_PROCFS_H       1
00021 
00022 /* This is somehow modelled after the file of the same name on SysVr4
00023    systems.  It provides a definition of the core file format for ELF
00024    used on Linux.  */
00025 
00026 #include <features.h>
00027 #include <signal.h>
00028 #include <sys/time.h>
00029 #include <sys/types.h>
00030 #include <sys/ucontext.h>
00031 #include <sys/user.h>
00032 #include <asm/elf.h>
00033 
00034 __BEGIN_DECLS
00035 
00036 struct elf_siginfo
00037   {
00038     int si_signo;                  /* Signal number.  */
00039     int si_code;                   /* Extra code.  */
00040     int si_errno;                  /* Errno.  */
00041   };
00042 
00043 /* Definitions to generate Intel SVR4-like core files.  These mostly
00044    have the same names as the SVR4 types with "elf_" tacked on the
00045    front to prevent clashes with linux definitions, and the typedef
00046    forms have been avoided.  This is mostly like the SVR4 structure,
00047    but more Linuxy, with things that Linux does not support and which
00048    gdb doesn't really use excluded.  Fields present but not used are
00049    marked with "XXX".  */
00050 struct elf_prstatus
00051   {
00052 #if 0
00053     long int pr_flags;                    /* XXX Process flags.  */
00054     short int pr_why;                     /* XXX Reason for process halt.  */
00055     short int pr_what;                    /* XXX More detailed reason.  */
00056 #endif
00057     struct elf_siginfo pr_info;           /* Info associated with signal.  */
00058     short int pr_cursig;           /* Current signal.  */
00059     unsigned long int pr_sigpend;  /* Set of pending signals.  */
00060     unsigned long int pr_sighold;  /* Set of held signals.  */
00061 #if 0
00062     struct sigaltstack pr_altstack;       /* Alternate stack info.  */
00063     struct sigaction pr_action;           /* Signal action for current sig.  */
00064 #endif
00065     __pid_t pr_pid;
00066     __pid_t pr_ppid;
00067     __pid_t pr_pgrp;
00068     __pid_t pr_sid;
00069     struct timeval pr_utime;              /* User time.  */
00070     struct timeval pr_stime;              /* System time.  */
00071     struct timeval pr_cutime;             /* Cumulative user time.  */
00072     struct timeval pr_cstime;             /* Cumulative system time.  */
00073 #if 0
00074     long int pr_instr;                    /* Current instruction.  */
00075 #endif
00076     elf_gregset_t pr_reg;          /* GP registers.  */
00077     int pr_fpvalid;                /* True if math copro being used.  */
00078   };
00079 
00080 
00081 #define ELF_PRARGSZ     (80)    /* Number of chars for args */
00082 
00083 struct elf_prpsinfo
00084   {
00085     char pr_state;                 /* Numeric process state.  */
00086     char pr_sname;                 /* Char for pr_state.  */
00087     char pr_zomb;                  /* Zombie.  */
00088     char pr_nice;                  /* Nice val.  */
00089     unsigned long int pr_flag;            /* Flags.  */
00090     unsigned short int pr_uid;
00091     unsigned short int pr_gid;
00092     int pr_pid, pr_ppid, pr_pgrp, pr_sid;
00093     /* Lots missing */
00094     char pr_fname[16];                    /* Filename of executable.  */
00095     char pr_psargs[ELF_PRARGSZ];   /* Initial part of arg list.  */
00096   };
00097 
00098 /* Addresses.  */
00099 typedef void *psaddr_t;
00100 
00101 /* Register sets.  Linux has different names.  */
00102 typedef elf_gregset_t prgregset_t;
00103 typedef elf_fpregset_t prfpregset_t;
00104 
00105 /* We don't have any differences between processes and threads,
00106    therefore habe only ine PID type.  */
00107 typedef __pid_t lwpid_t;
00108 
00109 
00110 typedef struct elf_prstatus prstatus_t;
00111 typedef struct elf_prpsinfo prpsinfo_t;
00112 
00113 __END_DECLS
00114 
00115 #endif /* sys/procfs.h */