diff options
Diffstat (limited to 'usr/src/man/man3lib/libproc.3lib')
| -rw-r--r-- | usr/src/man/man3lib/libproc.3lib | 158 |
1 files changed, 79 insertions, 79 deletions
diff --git a/usr/src/man/man3lib/libproc.3lib b/usr/src/man/man3lib/libproc.3lib index 6b1e26eaf8..4d64cd17d6 100644 --- a/usr/src/man/man3lib/libproc.3lib +++ b/usr/src/man/man3lib/libproc.3lib @@ -11,7 +11,7 @@ .\" .\" Copyright 2018 Joyent, Inc. .\" -.Dd August 31, 2018 +.Dd September 15, 2018 .Dt LIBPROC 3LIB .Os .Sh NAME @@ -58,7 +58,7 @@ ones. To manipulate an existing process first .Em grab it with the -.Em Pgrab +.Fn Pgrab function. A process is generally stopped as a side effect of grabbing it. Callers must exercise caution, as if they do not use the library correctly, or @@ -66,7 +66,7 @@ they terminate unexpectedly, a process may remain stopped. .Pp Unprivileged users may only grab their own processes. Users with the privilege -.Sy PRIV_PROC_OWNER +.Brq Sy PRIV_PROC_OWNER may manipulate processes that they do not own; however, additional restrictions as described in .Xr privileges 5 @@ -114,9 +114,9 @@ sections. Many of the operations in the library rely on debug information being present in a process and its associated libraries. The library leverages symbol table information, CTF data -.Pf ( Xr CTF 4 ) +.Pq Xr CTF 4 sections, and frame unwinding information based on the use of an ABI -defined frame pointer, eg. +defined frame pointer, e\&.g\&. .Sy %ebp and .Sy %rbp @@ -371,7 +371,7 @@ A process may stop for many reasons such as an explicit stop request (through for example) or if a tracing event is hit. .Pp The reason a process is stopped may be obtained through the thread's -.Sy lwpstatus_t +.Vt lwpstatus_t structure read directly from /proc or obtained through the .Xr Lstatus 3PROC function. @@ -383,12 +383,12 @@ To resume control call .Xr Preopen 3PROC . For more information on losing control of a process, see .Xr proc 4 . -.It DV PS_UNDEAD +.It Dv PS_UNDEAD A zombie process. It has terminated, but it has not been cleaned up yet by its parent. For more on the conditions of becoming a zombie, see .Xr exec 2 . -.It DV_PS_DEAD +.It Dv PS_DEAD Processes in this state are always core files. See the earlier section .Sx Core Files @@ -414,21 +414,21 @@ and .Dv PS_STOP . Process handles in the other states have no notion of settable tracing flags, though core files -.Pf ( type Dv PS_DEAD ) +.Pq type Dv PS_DEAD may have a read-only snapshot of their tracing settings available. .Sh TYPES The .Nm library uses many types that come from the /proc file system -.Pf ( Xr proc 4 ) +.Pq Xr proc 4 and the ELF format -.Pf ( Xr elf 3ELF ) . +.Pq Xr elf 3ELF . However, it also defines the following types: .Pp -.Sy struct ps_prochandle +.Vt struct ps_prochandle .Pp The -.Sy struct ps_prochandle +.Vt struct ps_prochandle is an opaque handle to the library and the core element of control for a process. Consumers obtain pointers to a handle through the use of the @@ -442,12 +442,12 @@ and functions to relinquish the handle, release associated resources, and potentially set the process to run again. .Pp -.Sy struct ps_lwphandle +.Vt struct ps_lwphandle .Pp The -.Sy struct ps_lwphandle +.Vt struct ps_lwphandle is analogous to the -.Sy struct ps_prochandle , +.Vt struct ps_prochandle , but it represents the control of an individual thread, rather than a process. Consumers obtain pointers to a handle through the @@ -456,10 +456,10 @@ function and relinquish it with the .Fn Lfree function. .Pp -.Sy core_content_t +.Vt core_content_t .Pp The -.Sy core_content_t +.Vt core_content_t is a value which describes the various content types of core files. These are used in functions such as .Xr Pcontent 3PROC @@ -546,19 +546,19 @@ The content includes the following set of default values: .Dv CC_CONTENT_ANON , .Dv CC_CONTENT_CTF , and -.Dv CC_CONTENT_SYMTAB. +.Dv CC_CONTENT_SYMTAB . Note that the default may change. Comparisons with CC_CONTENT_DEFAULT should validate that all of the expected bits are set with an expression such as -.Li (c\ &\ CC_CONTENT_DEFAULT)\ ==\ CC_CONTENT_DEFAULT. +.Li (c\ &\ CC_CONTENT_DEFAULT)\ ==\ CC_CONTENT_DEFAULT . .It Dv CC_CONTENT_INVALID This indicates that the contents are invalid. .El .Pp -.Sy prfdinfo_t +.Vt prfdinfo_t .Pp The -.Sy prfdinfo_t +.Vt prfdinfo_t structure is used with the .Fn Pfdinfo_iter function which describes information about a file descriptor. @@ -591,55 +591,55 @@ The member .Sy pr_fd contains the number of the file descriptor of the file. The members -.Sy pr_mode , -.Sy pr_uid , -.Sy pr_gid , -.Sy pr_ino , +.Fa pr_mode , +.Fa pr_uid , +.Fa pr_gid , +.Fa pr_ino , and -.Sy pr_size +.Fa pr_size are the same as the members -.Sy st_mode , -.Sy st_uid , -.Sy st_gid , -.Sy st_ino , +.Fa st_mode , +.Fa st_uid , +.Fa st_gid , +.Fa st_ino , and -.Sy st_size +.Fa st_size in the -.Sy stat +.Fa stat structure. .Pp The -.Sy pr_major +.Fa pr_major and -.Sy pr_minor +.Fa pr_minor members contain the major and minor numbers of the device containing the directory for this file. This is similar to the -.Sy st_dev +.Fa st_dev member of the -.Sy stat +.Vt stat structure, except that it is broken out into its major and minor components. The -.Sy pr_rmajor +.Fa pr_rmajor and -.Sy pr_rminor +.Fa pr_rminor members are similar in spirit to -.Sy pr_major +.Fa pr_major and -.Sy pr_minor ; +.Fa pr_minor ; however, they are equivalent to the -.Sy st_rdev +.Fa st_rdev member of the -.Sy stat +.Vt stat structure and thus have meaning for special character and block files. .Pp The -.Sy pr_offset +.Fa pr_offset member contains the current seek offset of the file descriptor. The -.Sy pr_fileflags +.Fa pr_fileflags and -.Sy pr_fdflags +.Fa pr_fdflags members contain the flags that would have been returned by a call to .Xr fcntl 2 with the arguments @@ -648,10 +648,10 @@ and .Dv F_GETFD respectively. .Pp -.Sy prsyminfo_t +.Vt prsyminfo_t .Pp The -.Sy prsyminfo_t +.Vt prsyminfo_t structure is used with the various symbol look up functions .Fn Pxlookup_by_name , .Fn Pxlookup_by_addr , @@ -670,29 +670,29 @@ typedef struct prsyminfo { .Ed .Pp The member -.Sy prs_object +.Fa prs_object points to a string that contains the name of the object file, if known, that the symbol comes from. The member -.Sy prs_name +.Fa prs_name points to the name of the symbol, if known. This may be unknown due to a stripped binary that contains no symbol table. The member -.Sy prs_lmid +.Fa prs_lmid indicates the link map identifier that the symbol was found on. For more information on link map identifiers refer to the -.Em Linker and Libraries Guide +.%B Linker and Libraries Guide and .Xr dlopen 3C . .Pp The members -.Sy prs_id +.Fa prs_id and -.Sy prs_table +.Fa prs_table can be used to determine both the symbol table that the entry came from and which entry in the table it corresponds to. If the value of -.Sy prs_table +.Fa prs_table is .Dv PR_SYMTAB then it came from the ELF standard symbol table. @@ -700,10 +700,10 @@ However, if it is instead .Dv PR_DYNSYM , then that indicates that it comes from the process's dynamic section. .Pp -.Sy proc_lwp_f +.Vt proc_lwp_f .Pp The -.Sy proc_lwp_f +.Vt proc_lwp_f is a function pointer type that is used with the .Fn Plwp_iter function. @@ -720,10 +720,10 @@ while the second has the thread's status information and is defined in For additional information on using this type, see .Xr Plwp_iter 3PROC . .Pp -.Sy proc_lwp_all_f +.Vt proc_lwp_all_f .Pp The -.Sy proc_lwp_all_f +.Vt proc_lwp_all_f is a function pointer type that is used with the .Fn Plwp_iter_all function. @@ -745,10 +745,10 @@ Both structures are defined in For additional information on using this type, see .Xr Plwp_iter_all 3PROC . .Pp -.Sy proc_walk_f +.Vt proc_walk_f .Pp The -.Sy proc_walk_f +.Vt proc_walk_f is a function pointer type that is used with the .Fn proc_walk function. @@ -771,10 +771,10 @@ The final argument is a pointer to an argument that the user specifies. For more information on using this, see .Xr proc_walk 3PROC . .Pp -.Sy proc_map_f +.Vt proc_map_f .Pp The -.Sy proc_map_f +.Vt proc_map_f is a function pointer type that is used with the .Fn Pmapping_iter , .Fn Pmapping_iter_resolved , @@ -799,10 +799,10 @@ question. For additional information on using this type, see .Xr Pmapping_iter 3PROC . .Pp -.Sy proc_env_f +.Vt proc_env_f .Pp The -.Sy proc_env_f +.Vt proc_env_f is a function pointer type that is used with the .Fn Penv_iter function. @@ -817,7 +817,7 @@ It is defined as .Fc . The first argument is a pointer to an argument that the user specifies. The second argument is a pointer to the -.Sy struct ps_prochandle +.Vt struct ps_prochandle that the callback was passed to. The third argument is the address of the environment variable in the process. The fourth argument is the environment variable. @@ -830,10 +830,10 @@ and For additional information on using this type, see .Xr Penv_iter 3PROC . .Pp -.Sy proc_sym_f +.Vt proc_sym_f .Pp The -.Sy proc_sym_f +.Vt proc_sym_f is a function pointer type that is used with the .Fn Psmbol_iter , .Fn Psymbol_iter_by_addr , @@ -865,10 +865,10 @@ For additional information on using this type, see and .Xr Psymbol_iter_by_lmid 3PROC . .Pp -.Sy proc_xsym_f +.Vt proc_xsym_f .Pp The -.Sy proc_xsym_f +.Vt proc_xsym_f is a function pointer type that is used with the .Fn Pxsymbol_iter function. @@ -882,19 +882,19 @@ It is defined as .Fa "const prsyminfo_t *" .Fc . The first three arguments are identical to those of -.Sy proc_sym_f . +.Vt proc_sym_f . The final argument contains additional information about the symbol itself. The members of the -.Sy prsyminfo_t +.Vt prsyminfo_t are defined earlier in this section. For additional information on using this type, see .Xr Pxsymbol_iter 3PROC . .Pp -.Sy proc_stack_f +.Vt proc_stack_f .Pp The -.Sy proc_stack_f +.Vt proc_stack_f is a function pointer type that is used with the .Fn Pstack_iter function. @@ -912,7 +912,7 @@ The second argument's contents are platform specific. The registers that contain stack information, usually the stack pointer and frame pointer, will be filled in to point to an entry. The -.Sy prgregset_t +.Vt prgregset_t is defined in .Xr proc 4 . .Pp @@ -924,10 +924,10 @@ argument. For additional information on using this type, see .Xr Pstack_iter 3PROC . .Pp -.Sy proc_fdinfo_f +.Vt proc_fdinfo_f .Pp The -.Sy proc_fdinfo_f +.Vt proc_fdinfo_f is a function pointer type that is used with the .Fn Pfdinfo_iter function. @@ -941,7 +941,7 @@ It is defined as The first argument is a pointer to an argument that the user specifies. The second argument contains information about an open file descriptor. The members of the -.Sy prfdinfo_t +.Vt prfdinfo_t are defined earlier in this section. For additional information on using this type, see .Xr Pfdinfo_iter 3PROC . @@ -973,7 +973,7 @@ Setting the environment variable .Ev LIBPROC_DEBUG to some value will print information to standard error. For example, -.Ev LIBPROC_DEUBG Ns = Ns Em please . +.Ev LIBPROC_DEBUG Ns = Ns Em please . .Sh LOCKING Most functions operate on a handle to a process in the form of a .Vt "struct ps_prochandle *" . |