Module: Process::Sys

Defined in:
process.c

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.egidFixnum .Process::GID.eidFixnum .Process::Sys.geteidFixnum

Returns the effective group ID for this process. Not available on all platforms.

Process.egid   #=> 500

Overloads:


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# File 'process.c', line 6130

static VALUE
proc_getegid(VALUE obj)
{
    rb_gid_t egid = getegid();

    return GIDT2NUM(egid);
}

.euidFixnum .Process::UID.eidFixnum .Process::Sys.geteuidFixnum

Returns the effective user ID for this process.

Process.euid   #=> 501

Overloads:


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# File 'process.c', line 6004

static VALUE
proc_geteuid(VALUE obj)
{
    rb_uid_t euid = geteuid();
    return UIDT2NUM(euid);
}

.gidFixnum .Process::GID.ridFixnum .Process::Sys.getgidFixnum

Returns the (real) group ID for this process.

Process.gid   #=> 500

Overloads:


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# File 'process.c', line 5452

static VALUE
proc_getgid(VALUE obj)
{
    rb_gid_t gid = getgid();
    return GIDT2NUM(gid);
}

.uidFixnum .Process::UID.ridFixnum .Process::Sys.getuidFixnum

Returns the (real) user ID of this process.

Process.uid   #=> 501

Overloads:


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# File 'process.c', line 5044

static VALUE
proc_getuid(VALUE obj)
{
    rb_uid_t uid = getuid();
    return UIDT2NUM(uid);
}

.Process::Sys.issetugidBoolean

Returns true if the process was created as a result of an execve(2) system call which had either of the setuid or setgid bits set (and extra privileges were given as a result) or if it has changed any of its real, effective or saved user or group IDs since it began execution.

Returns:

  • (Boolean)

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# File 'process.c', line 5425

static VALUE
p_sys_issetugid(VALUE obj)
{
    rb_secure(2);
    if (issetugid()) {
	return Qtrue;
    }
    else {
	return Qfalse;
    }
}

.Process::Sys.setegid(group) ⇒ nil

Set the effective group ID of the calling process to group. Not available on all platforms.

Returns:

  • (nil)

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# File 'process.c', line 5350

static VALUE
p_sys_setegid(VALUE obj, VALUE id)
{
    PREPARE_GETGRNAM;
    check_gid_switch();
    if (setegid(OBJ2GID(id)) != 0) rb_sys_fail(0);
    return Qnil;
}

.Process::Sys.seteuid(user) ⇒ nil

Set the effective user ID of the calling process to user. Not available on all platforms.

Returns:

  • (nil)

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# File 'process.c', line 4970

static VALUE
p_sys_seteuid(VALUE obj, VALUE id)
{
    PREPARE_GETPWNAM;
    check_uid_switch();
    if (seteuid(OBJ2UID(id)) != 0) rb_sys_fail(0);
    return Qnil;
}

.Process::Sys.setgid(group) ⇒ nil

Set the group ID of the current process to group. Not available on all platforms.

Returns:

  • (nil)

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# File 'process.c', line 5304

static VALUE
p_sys_setgid(VALUE obj, VALUE id)
{
    PREPARE_GETGRNAM;
    check_gid_switch();
    if (setgid(OBJ2GID(id)) != 0) rb_sys_fail(0);
    return Qnil;
}

.Process::Sys.setregid(rid, eid) ⇒ nil

Sets the (group) real and/or effective group IDs of the current process to rid and eid, respectively. A value of -1 for either means to leave that ID unchanged. Not available on all platforms.

Returns:

  • (nil)

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# File 'process.c', line 5375

static VALUE
p_sys_setregid(VALUE obj, VALUE rid, VALUE eid)
{
    PREPARE_GETGRNAM;
    check_gid_switch();
    if (setregid(OBJ2GID(rid), OBJ2GID(eid)) != 0) rb_sys_fail(0);
    return Qnil;
}

.Process::Sys.setresgid(rid, eid, sid) ⇒ nil

Sets the (group) real, effective, and saved user IDs of the current process to rid, eid, and sid respectively. A value of -1 for any value means to leave that ID unchanged. Not available on all platforms.

Returns:

  • (nil)

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# File 'process.c', line 5399

static VALUE
p_sys_setresgid(VALUE obj, VALUE rid, VALUE eid, VALUE sid)
{
    PREPARE_GETGRNAM;
    check_gid_switch();
    if (setresgid(OBJ2GID(rid), OBJ2GID(eid), OBJ2GID(sid)) != 0) rb_sys_fail(0);
    return Qnil;
}

.Process::Sys.setresuid(rid, eid, sid) ⇒ nil

Sets the (user) real, effective, and saved user IDs of the current process to rid, eid, and sid respectively. A value of -1 for any value means to leave that ID unchanged. Not available on all platforms.

Returns:

  • (nil)

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# File 'process.c', line 5020

static VALUE
p_sys_setresuid(VALUE obj, VALUE rid, VALUE eid, VALUE sid)
{
    PREPARE_GETPWNAM;
    check_uid_switch();
    if (setresuid(OBJ2UID(rid), OBJ2UID(eid), OBJ2UID(sid)) != 0) rb_sys_fail(0);
    return Qnil;
}

.Process::Sys.setreuid(rid, eid) ⇒ nil

Sets the (user) real and/or effective user IDs of the current process to rid and eid, respectively. A value of -1 for either means to leave that ID unchanged. Not available on all platforms.

Returns:

  • (nil)

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# File 'process.c', line 4995

static VALUE
p_sys_setreuid(VALUE obj, VALUE rid, VALUE eid)
{
    PREPARE_GETPWNAM;
    check_uid_switch();
    if (setreuid(OBJ2UID(rid), OBJ2UID(eid)) != 0) rb_sys_fail(0);
    return Qnil;
}

.Process::Sys.setrgid(group) ⇒ nil

Set the real group ID of the calling process to group. Not available on all platforms.

Returns:

  • (nil)

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# File 'process.c', line 5327

static VALUE
p_sys_setrgid(VALUE obj, VALUE id)
{
    PREPARE_GETGRNAM;
    check_gid_switch();
    if (setrgid(OBJ2GID(id)) != 0) rb_sys_fail(0);
    return Qnil;
}

.Process::Sys.setruid(user) ⇒ nil

Set the real user ID of the calling process to user. Not available on all platforms.

Returns:

  • (nil)

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# File 'process.c', line 4947

static VALUE
p_sys_setruid(VALUE obj, VALUE id)
{
    PREPARE_GETPWNAM;
    check_uid_switch();
    if (setruid(OBJ2UID(id)) != 0) rb_sys_fail(0);
    return Qnil;
}

.Process::Sys.setuid(user) ⇒ nil

Set the user ID of the current process to user. Not available on all platforms.

Returns:

  • (nil)

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# File 'process.c', line 4924

static VALUE
p_sys_setuid(VALUE obj, VALUE id)
{
    PREPARE_GETPWNAM;
    check_uid_switch();
    if (setuid(OBJ2UID(id)) != 0) rb_sys_fail(0);
    return Qnil;
}

Instance Method Details

#egidFixnum (private) #Process::GID.eidFixnum (private) #Process::Sys.geteidFixnum (private)

Returns the effective group ID for this process. Not available on all platforms.

Process.egid   #=> 500

Returns:


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# File 'process.c', line 6130

static VALUE
proc_getegid(VALUE obj)
{
    rb_gid_t egid = getegid();

    return GIDT2NUM(egid);
}

#euidFixnum (private) #Process::UID.eidFixnum (private) #Process::Sys.geteuidFixnum (private)

Returns the effective user ID for this process.

Process.euid   #=> 501

Returns:


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# File 'process.c', line 6004

static VALUE
proc_geteuid(VALUE obj)
{
    rb_uid_t euid = geteuid();
    return UIDT2NUM(euid);
}

#gidFixnum (private) #Process::GID.ridFixnum (private) #Process::Sys.getgidFixnum (private)

Returns the (real) group ID for this process.

Process.gid   #=> 500

Returns:


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# File 'process.c', line 5452

static VALUE
proc_getgid(VALUE obj)
{
    rb_gid_t gid = getgid();
    return GIDT2NUM(gid);
}

#uidFixnum (private) #Process::UID.ridFixnum (private) #Process::Sys.getuidFixnum (private)

Returns the (real) user ID of this process.

Process.uid   #=> 501

Returns:


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# File 'process.c', line 5044

static VALUE
proc_getuid(VALUE obj)
{
    rb_uid_t uid = getuid();
    return UIDT2NUM(uid);
}

#Process::Sys.issetugidBoolean (private)

Returns true if the process was created as a result of an execve(2) system call which had either of the setuid or setgid bits set (and extra privileges were given as a result) or if it has changed any of its real, effective or saved user or group IDs since it began execution.

Returns:

  • (Boolean)

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# File 'process.c', line 5425

static VALUE
p_sys_issetugid(VALUE obj)
{
    rb_secure(2);
    if (issetugid()) {
	return Qtrue;
    }
    else {
	return Qfalse;
    }
}

#Process::Sys.setegid(group) ⇒ nil (private)

Set the effective group ID of the calling process to group. Not available on all platforms.

Returns:

  • (nil)

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# File 'process.c', line 5350

static VALUE
p_sys_setegid(VALUE obj, VALUE id)
{
    PREPARE_GETGRNAM;
    check_gid_switch();
    if (setegid(OBJ2GID(id)) != 0) rb_sys_fail(0);
    return Qnil;
}

#Process::Sys.seteuid(user) ⇒ nil (private)

Set the effective user ID of the calling process to user. Not available on all platforms.

Returns:

  • (nil)

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# File 'process.c', line 4970

static VALUE
p_sys_seteuid(VALUE obj, VALUE id)
{
    PREPARE_GETPWNAM;
    check_uid_switch();
    if (seteuid(OBJ2UID(id)) != 0) rb_sys_fail(0);
    return Qnil;
}

#Process::Sys.setgid(group) ⇒ nil (private)

Set the group ID of the current process to group. Not available on all platforms.

Returns:

  • (nil)

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# File 'process.c', line 5304

static VALUE
p_sys_setgid(VALUE obj, VALUE id)
{
    PREPARE_GETGRNAM;
    check_gid_switch();
    if (setgid(OBJ2GID(id)) != 0) rb_sys_fail(0);
    return Qnil;
}

#Process::Sys.setregid(rid, eid) ⇒ nil (private)

Sets the (group) real and/or effective group IDs of the current process to rid and eid, respectively. A value of -1 for either means to leave that ID unchanged. Not available on all platforms.

Returns:

  • (nil)

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# File 'process.c', line 5375

static VALUE
p_sys_setregid(VALUE obj, VALUE rid, VALUE eid)
{
    PREPARE_GETGRNAM;
    check_gid_switch();
    if (setregid(OBJ2GID(rid), OBJ2GID(eid)) != 0) rb_sys_fail(0);
    return Qnil;
}

#Process::Sys.setresgid(rid, eid, sid) ⇒ nil (private)

Sets the (group) real, effective, and saved user IDs of the current process to rid, eid, and sid respectively. A value of -1 for any value means to leave that ID unchanged. Not available on all platforms.

Returns:

  • (nil)

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# File 'process.c', line 5399

static VALUE
p_sys_setresgid(VALUE obj, VALUE rid, VALUE eid, VALUE sid)
{
    PREPARE_GETGRNAM;
    check_gid_switch();
    if (setresgid(OBJ2GID(rid), OBJ2GID(eid), OBJ2GID(sid)) != 0) rb_sys_fail(0);
    return Qnil;
}

#Process::Sys.setresuid(rid, eid, sid) ⇒ nil (private)

Sets the (user) real, effective, and saved user IDs of the current process to rid, eid, and sid respectively. A value of -1 for any value means to leave that ID unchanged. Not available on all platforms.

Returns:

  • (nil)

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# File 'process.c', line 5020

static VALUE
p_sys_setresuid(VALUE obj, VALUE rid, VALUE eid, VALUE sid)
{
    PREPARE_GETPWNAM;
    check_uid_switch();
    if (setresuid(OBJ2UID(rid), OBJ2UID(eid), OBJ2UID(sid)) != 0) rb_sys_fail(0);
    return Qnil;
}

#Process::Sys.setreuid(rid, eid) ⇒ nil (private)

Sets the (user) real and/or effective user IDs of the current process to rid and eid, respectively. A value of -1 for either means to leave that ID unchanged. Not available on all platforms.

Returns:

  • (nil)

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# File 'process.c', line 4995

static VALUE
p_sys_setreuid(VALUE obj, VALUE rid, VALUE eid)
{
    PREPARE_GETPWNAM;
    check_uid_switch();
    if (setreuid(OBJ2UID(rid), OBJ2UID(eid)) != 0) rb_sys_fail(0);
    return Qnil;
}

#Process::Sys.setrgid(group) ⇒ nil (private)

Set the real group ID of the calling process to group. Not available on all platforms.

Returns:

  • (nil)

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# File 'process.c', line 5327

static VALUE
p_sys_setrgid(VALUE obj, VALUE id)
{
    PREPARE_GETGRNAM;
    check_gid_switch();
    if (setrgid(OBJ2GID(id)) != 0) rb_sys_fail(0);
    return Qnil;
}

#Process::Sys.setruid(user) ⇒ nil (private)

Set the real user ID of the calling process to user. Not available on all platforms.

Returns:

  • (nil)

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# File 'process.c', line 4947

static VALUE
p_sys_setruid(VALUE obj, VALUE id)
{
    PREPARE_GETPWNAM;
    check_uid_switch();
    if (setruid(OBJ2UID(id)) != 0) rb_sys_fail(0);
    return Qnil;
}

#Process::Sys.setuid(user) ⇒ nil (private)

Set the user ID of the current process to user. Not available on all platforms.

Returns:

  • (nil)

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# File 'process.c', line 4924

static VALUE
p_sys_setuid(VALUE obj, VALUE id)
{
    PREPARE_GETPWNAM;
    check_uid_switch();
    if (setuid(OBJ2UID(id)) != 0) rb_sys_fail(0);
    return Qnil;
}