установить эффективный идентификатор пользователя (set effective user ID)
Пролог (Prolog)
This manual page is part of the POSIX Programmer's Manual. The
Linux implementation of this interface may differ (consult the
corresponding Linux manual page for details of Linux behavior),
or the interface may not be implemented on Linux.
Имя (Name)
seteuid — set effective user ID
Синопсис (Synopsis)
#include <unistd.h>
int seteuid(uid_t uid);
Описание (Description)
If uid is equal to the real user ID or the saved set-user-ID, or
if the process has appropriate privileges, seteuid() shall set
the effective user ID of the calling process to uid; the real
user ID and saved set-user-ID shall remain unchanged.
The seteuid() function shall not affect the supplementary group
list in any way.
Возвращаемое значение (Return value)
Upon successful completion, 0 shall be returned; otherwise, -1
shall be returned and errno set to indicate the error.
Ошибки (Error)
The seteuid() function shall fail if:
EINVAL The value of the uid argument is invalid and is not
supported by the implementation.
EPERM The process does not have appropriate privileges and uid
does not match the real user ID or the saved set-user-ID.
The following sections are informative.
Примеры (Examples)
None.
Использование в приложениях (Application usage)
None.
Обоснование (Rationale)
Refer to the RATIONALE section in setuid(3p).
Будущие направления (Future directions)
None.
Смотри также (See also)
exec(1p), getegid(3p), geteuid(3p), getgid(3p), getuid(3p),
setegid(3p), setgid(3p), setregid(3p), setreuid(3p), setuid(3p)
The Base Definitions volume of POSIX.1‐2017, sys_types.h(0p),
unistd.h(0p)
