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Diffstat (limited to 'txr.1')
| -rw-r--r-- | txr.1 | 47 |
1 files changed, 47 insertions, 0 deletions
@@ -29638,6 +29638,53 @@ function reads the contents of that symbolic link and returns it as a string. Otherwise, it fails by throwing an exception of type .codn file-error . +.SS* Unix Credentials + +.coNP Functions @, getuid @, geteuid @ getgid and @ getegid +.synb +.mets (getuid) +.mets (geteuid) +.mets (getgid) +.mets (getegid) +.syne +.desc +These functions directly correspond to the POSIX C library functions +of the same name. They retrieve the real user ID, effective user ID, +real group ID and effective group ID, respectively, of the calling +process. + +.coNP Function @ getgroups +.synb +.mets (getgroups) +.syne +.desc +The +.code getgroups +function retrieves the list of supplementary group IDs of the calling +process by calling the same-named POSIX C library function. + +Whether or not the effective group ID retrieved by +.code getegid +is included in this list is system-dependent. Programs should not +depend on its presence or absence. + +.coNP Functions @, setuid @, seteuid @ setgid and @ setegid +.synb +.mets (setuid << uid ) +.mets (seteuid << uid ) +.mets (setgid << gid ) +.mets (setegid << gid ) +.syne +.desc +These functions directly correspond to the POSIX C library functions +of the same name. They set the real user ID, effective user ID, +real group ID and effective group ID, respectively, of the calling +process. +On success, they return +.code t . +On failure, they throw an exception of type +.codn system-error . + .SS* Unix Signal Handling On platforms where certain advanced features of POSIX signal handling are |