1//! Adapt the Linux API to resemble a POSIX-style libc API.
2//!
3//! The linux_raw backend doesn't use actual libc; this just defines certain
4//! types that are convenient to have defined.
5
6#![allow(unused_imports)]
7#![allow(non_camel_case_types)]
8
9pub(crate) type size_t = usize;
10pub(crate) use linux_raw_sys::ctypes::*;
11pub(crate) use linux_raw_sys::errno::EINVAL;
12pub(crate) use linux_raw_sys::ioctl::{FIONBIO, FIONREAD};
13// Import the kernel's `uid_t` and `gid_t` if they're 32-bit.
14#[cfg(not(any(target_arch = "arm", target_arch = "sparc", target_arch = "x86")))]
15pub(crate) use linux_raw_sys::general::{__kernel_gid_t as gid_t, __kernel_uid_t as uid_t};
16pub(crate) use linux_raw_sys::general::{
17 __kernel_pid_t as pid_t, __kernel_time64_t as time_t, __kernel_timespec as timespec, iovec,
18 O_CLOEXEC, O_NOCTTY, O_NONBLOCK, O_RDWR,
19};
20
21#[cfg(feature = "event")]
22#[cfg(test)]
23pub(crate) use linux_raw_sys::general::epoll_event;
24
25#[cfg(any(
26 feature = "fs",
27 all(
28 not(feature = "use-libc-auxv"),
29 not(feature = "use-explicitly-provided-auxv"),
30 any(
31 feature = "param",
32 feature = "process",
33 feature = "runtime",
34 feature = "time",
35 target_arch = "x86",
36 )
37 )
38))]
39pub(crate) use linux_raw_sys::general::{
40 AT_FDCWD, NFS_SUPER_MAGIC, O_LARGEFILE, PROC_SUPER_MAGIC, UTIME_NOW, UTIME_OMIT, XATTR_CREATE,
41 XATTR_REPLACE,
42};
43
44pub(crate) use linux_raw_sys::ioctl::{BLKPBSZGET, BLKSSZGET, FICLONE};
45#[cfg(target_pointer_width = "32")]
46pub(crate) use linux_raw_sys::ioctl::{FS_IOC32_GETFLAGS, FS_IOC32_SETFLAGS};
47#[cfg(target_pointer_width = "64")]
48pub(crate) use linux_raw_sys::ioctl::{FS_IOC_GETFLAGS, FS_IOC_SETFLAGS};
49
50#[cfg(feature = "io_uring")]
51pub(crate) use linux_raw_sys::{general::open_how, io_uring::*};
52
53#[cfg(feature = "net")]
54pub(crate) use linux_raw_sys::{
55 cmsg_macros::*,
56 general::{O_CLOEXEC as SOCK_CLOEXEC, O_NONBLOCK as SOCK_NONBLOCK},
57 if_ether::*,
58 net::{
59 linger, msghdr, sockaddr, sockaddr_in, sockaddr_in6, sockaddr_un, socklen_t, AF_DECnet,
60 __kernel_sa_family_t as sa_family_t, __kernel_sockaddr_storage as sockaddr_storage,
61 cmsghdr, in6_addr, in_addr, ip_mreq, ip_mreq_source, ip_mreqn, ipv6_mreq, AF_APPLETALK,
62 AF_ASH, AF_ATMPVC, AF_ATMSVC, AF_AX25, AF_BLUETOOTH, AF_BRIDGE, AF_CAN, AF_ECONET,
63 AF_IEEE802154, AF_INET, AF_INET6, AF_IPX, AF_IRDA, AF_ISDN, AF_IUCV, AF_KEY, AF_LLC,
64 AF_NETBEUI, AF_NETLINK, AF_NETROM, AF_PACKET, AF_PHONET, AF_PPPOX, AF_RDS, AF_ROSE,
65 AF_RXRPC, AF_SECURITY, AF_SNA, AF_TIPC, AF_UNIX, AF_UNSPEC, AF_WANPIPE, AF_X25, AF_XDP,
66 IP6T_SO_ORIGINAL_DST, IPPROTO_FRAGMENT, IPPROTO_ICMPV6, IPPROTO_MH, IPPROTO_ROUTING,
67 IPV6_ADD_MEMBERSHIP, IPV6_DROP_MEMBERSHIP, IPV6_FREEBIND, IPV6_MULTICAST_HOPS,
68 IPV6_MULTICAST_LOOP, IPV6_RECVTCLASS, IPV6_TCLASS, IPV6_UNICAST_HOPS, IPV6_V6ONLY,
69 IP_ADD_MEMBERSHIP, IP_ADD_SOURCE_MEMBERSHIP, IP_DROP_MEMBERSHIP, IP_DROP_SOURCE_MEMBERSHIP,
70 IP_FREEBIND, IP_MULTICAST_LOOP, IP_MULTICAST_TTL, IP_RECVTOS, IP_TOS, IP_TTL,
71 MSG_CMSG_CLOEXEC, MSG_CONFIRM, MSG_DONTROUTE, MSG_DONTWAIT, MSG_EOR, MSG_ERRQUEUE,
72 MSG_MORE, MSG_NOSIGNAL, MSG_OOB, MSG_PEEK, MSG_TRUNC, MSG_WAITALL, SCM_CREDENTIALS,
73 SCM_RIGHTS, SHUT_RD, SHUT_RDWR, SHUT_WR, SOCK_DGRAM, SOCK_RAW, SOCK_RDM, SOCK_SEQPACKET,
74 SOCK_STREAM, SOL_SOCKET, SOL_XDP, SO_ACCEPTCONN, SO_BROADCAST, SO_COOKIE, SO_DOMAIN,
75 SO_ERROR, SO_INCOMING_CPU, SO_KEEPALIVE, SO_LINGER, SO_OOBINLINE, SO_ORIGINAL_DST,
76 SO_PASSCRED, SO_PROTOCOL, SO_RCVBUF, SO_RCVTIMEO_NEW, SO_RCVTIMEO_NEW as SO_RCVTIMEO,
77 SO_RCVTIMEO_OLD, SO_REUSEADDR, SO_REUSEPORT, SO_SNDBUF, SO_SNDTIMEO_NEW,
78 SO_SNDTIMEO_NEW as SO_SNDTIMEO, SO_SNDTIMEO_OLD, SO_TYPE, TCP_CONGESTION, TCP_CORK,
79 TCP_KEEPCNT, TCP_KEEPIDLE, TCP_KEEPINTVL, TCP_NODELAY, TCP_QUICKACK,
80 TCP_THIN_LINEAR_TIMEOUTS, TCP_USER_TIMEOUT,
81 },
82 netlink::*,
83 xdp::{
84 sockaddr_xdp, xdp_desc, xdp_mmap_offsets, xdp_mmap_offsets_v1, xdp_options,
85 xdp_ring_offset, xdp_ring_offset_v1, xdp_statistics, xdp_statistics_v1, xdp_umem_reg,
86 xdp_umem_reg_v1, XDP_COPY, XDP_MMAP_OFFSETS, XDP_OPTIONS, XDP_OPTIONS_ZEROCOPY,
87 XDP_PGOFF_RX_RING, XDP_PGOFF_TX_RING, XDP_PKT_CONTD, XDP_RING_NEED_WAKEUP, XDP_RX_RING,
88 XDP_SHARED_UMEM, XDP_STATISTICS, XDP_TX_RING, XDP_UMEM_COMPLETION_RING, XDP_UMEM_FILL_RING,
89 XDP_UMEM_PGOFF_COMPLETION_RING, XDP_UMEM_PGOFF_FILL_RING, XDP_UMEM_REG,
90 XDP_UMEM_UNALIGNED_CHUNK_FLAG, XDP_USE_NEED_WAKEUP, XDP_USE_SG, XDP_ZEROCOPY,
91 XSK_UNALIGNED_BUF_ADDR_MASK, XSK_UNALIGNED_BUF_OFFSET_SHIFT,
92 },
93};
94
95// Cast away bindgen's `enum` type to make these consistent with the other
96// `setsockopt`/`getsockopt` level values.
97#[cfg(feature = "net")]
98pub(crate) const IPPROTO_IP: u32 = linux_raw_sys::net::IPPROTO_IP as _;
99#[cfg(feature = "net")]
100pub(crate) const IPPROTO_ICMP: u32 = linux_raw_sys::net::IPPROTO_ICMP as _;
101#[cfg(feature = "net")]
102pub(crate) const IPPROTO_IGMP: u32 = linux_raw_sys::net::IPPROTO_IGMP as _;
103#[cfg(feature = "net")]
104pub(crate) const IPPROTO_IPIP: u32 = linux_raw_sys::net::IPPROTO_IPIP as _;
105#[cfg(feature = "net")]
106pub(crate) const IPPROTO_TCP: u32 = linux_raw_sys::net::IPPROTO_TCP as _;
107#[cfg(feature = "net")]
108pub(crate) const IPPROTO_EGP: u32 = linux_raw_sys::net::IPPROTO_EGP as _;
109#[cfg(feature = "net")]
110pub(crate) const IPPROTO_PUP: u32 = linux_raw_sys::net::IPPROTO_PUP as _;
111#[cfg(feature = "net")]
112pub(crate) const IPPROTO_UDP: u32 = linux_raw_sys::net::IPPROTO_UDP as _;
113#[cfg(feature = "net")]
114pub(crate) const IPPROTO_IDP: u32 = linux_raw_sys::net::IPPROTO_IDP as _;
115#[cfg(feature = "net")]
116pub(crate) const IPPROTO_TP: u32 = linux_raw_sys::net::IPPROTO_TP as _;
117#[cfg(feature = "net")]
118pub(crate) const IPPROTO_DCCP: u32 = linux_raw_sys::net::IPPROTO_DCCP as _;
119#[cfg(feature = "net")]
120pub(crate) const IPPROTO_IPV6: u32 = linux_raw_sys::net::IPPROTO_IPV6 as _;
121#[cfg(feature = "net")]
122pub(crate) const IPPROTO_RSVP: u32 = linux_raw_sys::net::IPPROTO_RSVP as _;
123#[cfg(feature = "net")]
124pub(crate) const IPPROTO_GRE: u32 = linux_raw_sys::net::IPPROTO_GRE as _;
125#[cfg(feature = "net")]
126pub(crate) const IPPROTO_ESP: u32 = linux_raw_sys::net::IPPROTO_ESP as _;
127#[cfg(feature = "net")]
128pub(crate) const IPPROTO_AH: u32 = linux_raw_sys::net::IPPROTO_AH as _;
129#[cfg(feature = "net")]
130pub(crate) const IPPROTO_MTP: u32 = linux_raw_sys::net::IPPROTO_MTP as _;
131#[cfg(feature = "net")]
132pub(crate) const IPPROTO_BEETPH: u32 = linux_raw_sys::net::IPPROTO_BEETPH as _;
133#[cfg(feature = "net")]
134pub(crate) const IPPROTO_ENCAP: u32 = linux_raw_sys::net::IPPROTO_ENCAP as _;
135#[cfg(feature = "net")]
136pub(crate) const IPPROTO_PIM: u32 = linux_raw_sys::net::IPPROTO_PIM as _;
137#[cfg(feature = "net")]
138pub(crate) const IPPROTO_COMP: u32 = linux_raw_sys::net::IPPROTO_COMP as _;
139#[cfg(feature = "net")]
140pub(crate) const IPPROTO_SCTP: u32 = linux_raw_sys::net::IPPROTO_SCTP as _;
141#[cfg(feature = "net")]
142pub(crate) const IPPROTO_UDPLITE: u32 = linux_raw_sys::net::IPPROTO_UDPLITE as _;
143#[cfg(feature = "net")]
144pub(crate) const IPPROTO_MPLS: u32 = linux_raw_sys::net::IPPROTO_MPLS as _;
145#[cfg(feature = "net")]
146pub(crate) const IPPROTO_ETHERNET: u32 = linux_raw_sys::net::IPPROTO_ETHERNET as _;
147#[cfg(feature = "net")]
148pub(crate) const IPPROTO_RAW: u32 = linux_raw_sys::net::IPPROTO_RAW as _;
149#[cfg(feature = "net")]
150pub(crate) const IPPROTO_MPTCP: u32 = linux_raw_sys::net::IPPROTO_MPTCP as _;
151
152#[cfg(any(feature = "process", feature = "runtime"))]
153pub(crate) use linux_raw_sys::general::siginfo_t;
154
155#[cfg(any(feature = "process", feature = "runtime"))]
156pub(crate) const EXIT_SUCCESS: c_int = 0;
157#[cfg(any(feature = "process", feature = "runtime"))]
158pub(crate) const EXIT_FAILURE: c_int = 1;
159#[cfg(feature = "process")]
160pub(crate) const EXIT_SIGNALED_SIGABRT: c_int = 128 + linux_raw_sys::general::SIGABRT as c_int;
161#[cfg(feature = "runtime")]
162pub(crate) const CLONE_CHILD_SETTID: c_int = linux_raw_sys::general::CLONE_CHILD_SETTID as c_int;
163
164#[cfg(feature = "process")]
165pub(crate) use linux_raw_sys::{
166 general::{
167 CLD_CONTINUED, CLD_DUMPED, CLD_EXITED, CLD_KILLED, CLD_STOPPED, CLD_TRAPPED,
168 O_NONBLOCK as PIDFD_NONBLOCK, P_ALL, P_PGID, P_PID, P_PIDFD,
169 },
170 ioctl::TIOCSCTTY,
171};
172
173#[cfg(feature = "pty")]
174pub(crate) use linux_raw_sys::ioctl::TIOCGPTPEER;
175
176#[cfg(feature = "termios")]
177pub(crate) use linux_raw_sys::{
178 general::{
179 cc_t, speed_t, tcflag_t, termios, termios2, winsize, B0, B1000000, B110, B115200, B1152000,
180 B1200, B134, B150, B1500000, B1800, B19200, B200, B2000000, B230400, B2400, B2500000, B300,
181 B3000000, B3500000, B38400, B4000000, B460800, B4800, B50, B500000, B57600, B576000, B600,
182 B75, B921600, B9600, BOTHER, BRKINT, BS0, BS1, BSDLY, CBAUD, CBAUDEX, CIBAUD, CLOCAL,
183 CMSPAR, CR0, CR1, CR2, CR3, CRDLY, CREAD, CRTSCTS, CS5, CS6, CS7, CS8, CSIZE, CSTOPB, ECHO,
184 ECHOCTL, ECHOE, ECHOK, ECHOKE, ECHONL, ECHOPRT, EXTA, EXTB, EXTPROC, FF0, FF1, FFDLY,
185 FLUSHO, HUPCL, IBSHIFT, ICANON, ICRNL, IEXTEN, IGNBRK, IGNCR, IGNPAR, IMAXBEL, INLCR,
186 INPCK, ISIG, ISTRIP, IUCLC, IUTF8, IXANY, IXOFF, IXON, NCCS, NL0, NL1, NLDLY, NOFLSH,
187 OCRNL, OFDEL, OFILL, OLCUC, ONLCR, ONLRET, ONOCR, OPOST, PARENB, PARMRK, PARODD, PENDIN,
188 TAB0, TAB1, TAB2, TAB3, TABDLY, TCIFLUSH, TCIOFF, TCIOFLUSH, TCION, TCOFLUSH, TCOOFF,
189 TCOON, TCSADRAIN, TCSAFLUSH, TCSANOW, TOSTOP, VDISCARD, VEOF, VEOL, VEOL2, VERASE, VINTR,
190 VKILL, VLNEXT, VMIN, VQUIT, VREPRINT, VSTART, VSTOP, VSUSP, VSWTC, VT0, VT1, VTDLY, VTIME,
191 VWERASE, XCASE, XTABS,
192 },
193 ioctl::{TCGETS2, TCSETS2, TCSETSF2, TCSETSW2, TIOCEXCL, TIOCNXCL},
194};
195
196// On MIPS, `TCSANOW` et al have `TCSETS` added to them, so we need it to
197// subtract it out.
198#[cfg(all(
199 feature = "termios",
200 any(
201 target_arch = "mips",
202 target_arch = "mips32r6",
203 target_arch = "mips64",
204 target_arch = "mips64r6"
205 )
206))]
207pub(crate) use linux_raw_sys::ioctl::TCSETS;
208
209// Define our own `uid_t` and `gid_t` if the kernel's versions are not 32-bit.
210#[cfg(any(target_arch = "arm", target_arch = "sparc", target_arch = "x86"))]
211pub(crate) type uid_t = u32;
212#[cfg(any(target_arch = "arm", target_arch = "sparc", target_arch = "x86"))]
213pub(crate) type gid_t = u32;
214
215// Bindgen infers `u32` for many of these macro types which meant to be
216// used with `c_int` in the C APIs, so cast them to `c_int`.
217
218// Convert the signal constants from `u32` to `c_int`.
219pub(crate) const SIGHUP: c_int = linux_raw_sys::general::SIGHUP as _;
220pub(crate) const SIGINT: c_int = linux_raw_sys::general::SIGINT as _;
221pub(crate) const SIGQUIT: c_int = linux_raw_sys::general::SIGQUIT as _;
222pub(crate) const SIGILL: c_int = linux_raw_sys::general::SIGILL as _;
223pub(crate) const SIGTRAP: c_int = linux_raw_sys::general::SIGTRAP as _;
224pub(crate) const SIGABRT: c_int = linux_raw_sys::general::SIGABRT as _;
225pub(crate) const SIGBUS: c_int = linux_raw_sys::general::SIGBUS as _;
226pub(crate) const SIGFPE: c_int = linux_raw_sys::general::SIGFPE as _;
227pub(crate) const SIGKILL: c_int = linux_raw_sys::general::SIGKILL as _;
228pub(crate) const SIGUSR1: c_int = linux_raw_sys::general::SIGUSR1 as _;
229pub(crate) const SIGSEGV: c_int = linux_raw_sys::general::SIGSEGV as _;
230pub(crate) const SIGUSR2: c_int = linux_raw_sys::general::SIGUSR2 as _;
231pub(crate) const SIGPIPE: c_int = linux_raw_sys::general::SIGPIPE as _;
232pub(crate) const SIGALRM: c_int = linux_raw_sys::general::SIGALRM as _;
233pub(crate) const SIGTERM: c_int = linux_raw_sys::general::SIGTERM as _;
234#[cfg(not(any(
235 target_arch = "mips",
236 target_arch = "mips32r6",
237 target_arch = "mips64",
238 target_arch = "mips64r6",
239 target_arch = "sparc",
240 target_arch = "sparc64"
241)))]
242pub(crate) const SIGSTKFLT: c_int = linux_raw_sys::general::SIGSTKFLT as _;
243pub(crate) const SIGCHLD: c_int = linux_raw_sys::general::SIGCHLD as _;
244pub(crate) const SIGCONT: c_int = linux_raw_sys::general::SIGCONT as _;
245pub(crate) const SIGSTOP: c_int = linux_raw_sys::general::SIGSTOP as _;
246pub(crate) const SIGTSTP: c_int = linux_raw_sys::general::SIGTSTP as _;
247pub(crate) const SIGTTIN: c_int = linux_raw_sys::general::SIGTTIN as _;
248pub(crate) const SIGTTOU: c_int = linux_raw_sys::general::SIGTTOU as _;
249pub(crate) const SIGURG: c_int = linux_raw_sys::general::SIGURG as _;
250pub(crate) const SIGXCPU: c_int = linux_raw_sys::general::SIGXCPU as _;
251pub(crate) const SIGXFSZ: c_int = linux_raw_sys::general::SIGXFSZ as _;
252pub(crate) const SIGVTALRM: c_int = linux_raw_sys::general::SIGVTALRM as _;
253pub(crate) const SIGPROF: c_int = linux_raw_sys::general::SIGPROF as _;
254pub(crate) const SIGWINCH: c_int = linux_raw_sys::general::SIGWINCH as _;
255pub(crate) const SIGIO: c_int = linux_raw_sys::general::SIGIO as _;
256pub(crate) const SIGPWR: c_int = linux_raw_sys::general::SIGPWR as _;
257pub(crate) const SIGSYS: c_int = linux_raw_sys::general::SIGSYS as _;
258#[cfg(any(
259 target_arch = "mips",
260 target_arch = "mips32r6",
261 target_arch = "mips64",
262 target_arch = "mips64r6",
263 target_arch = "sparc",
264 target_arch = "sparc64"
265))]
266pub(crate) const SIGEMT: c_int = linux_raw_sys::general::SIGEMT as _;
267
268#[cfg(feature = "stdio")]
269pub(crate) const STDIN_FILENO: c_int = linux_raw_sys::general::STDIN_FILENO as _;
270#[cfg(feature = "stdio")]
271pub(crate) const STDOUT_FILENO: c_int = linux_raw_sys::general::STDOUT_FILENO as _;
272#[cfg(feature = "stdio")]
273pub(crate) const STDERR_FILENO: c_int = linux_raw_sys::general::STDERR_FILENO as _;
274
275pub(crate) const PIPE_BUF: usize = linux_raw_sys::general::PIPE_BUF as _;
276
277pub(crate) const CLOCK_MONOTONIC: c_int = linux_raw_sys::general::CLOCK_MONOTONIC as _;
278pub(crate) const CLOCK_REALTIME: c_int = linux_raw_sys::general::CLOCK_REALTIME as _;
279pub(crate) const CLOCK_MONOTONIC_RAW: c_int = linux_raw_sys::general::CLOCK_MONOTONIC_RAW as _;
280pub(crate) const CLOCK_MONOTONIC_COARSE: c_int =
281 linux_raw_sys::general::CLOCK_MONOTONIC_COARSE as _;
282pub(crate) const CLOCK_REALTIME_COARSE: c_int = linux_raw_sys::general::CLOCK_REALTIME_COARSE as _;
283pub(crate) const CLOCK_THREAD_CPUTIME_ID: c_int =
284 linux_raw_sys::general::CLOCK_THREAD_CPUTIME_ID as _;
285pub(crate) const CLOCK_PROCESS_CPUTIME_ID: c_int =
286 linux_raw_sys::general::CLOCK_PROCESS_CPUTIME_ID as _;
287#[cfg(any(feature = "thread", feature = "time", target_arch = "x86"))]
288pub(crate) const CLOCK_BOOTTIME: c_int = linux_raw_sys::general::CLOCK_BOOTTIME as _;
289#[cfg(any(feature = "thread", feature = "time", target_arch = "x86"))]
290pub(crate) const CLOCK_BOOTTIME_ALARM: c_int = linux_raw_sys::general::CLOCK_BOOTTIME_ALARM as _;
291#[cfg(any(feature = "thread", feature = "time", target_arch = "x86"))]
292pub(crate) const CLOCK_TAI: c_int = linux_raw_sys::general::CLOCK_TAI as _;
293#[cfg(any(feature = "thread", feature = "time", target_arch = "x86"))]
294pub(crate) const CLOCK_REALTIME_ALARM: c_int = linux_raw_sys::general::CLOCK_REALTIME_ALARM as _;
295
296#[cfg(feature = "system")]
297mod reboot_symbols {
298 use super::c_int;
299
300 pub(crate) const LINUX_REBOOT_MAGIC1: c_int = linux_raw_sys::general::LINUX_REBOOT_MAGIC1 as _;
301 pub(crate) const LINUX_REBOOT_MAGIC2: c_int = linux_raw_sys::general::LINUX_REBOOT_MAGIC2 as _;
302
303 pub(crate) const LINUX_REBOOT_CMD_RESTART: c_int =
304 linux_raw_sys::general::LINUX_REBOOT_CMD_RESTART as _;
305 pub(crate) const LINUX_REBOOT_CMD_HALT: c_int =
306 linux_raw_sys::general::LINUX_REBOOT_CMD_HALT as _;
307 pub(crate) const LINUX_REBOOT_CMD_CAD_ON: c_int =
308 linux_raw_sys::general::LINUX_REBOOT_CMD_CAD_ON as _;
309 pub(crate) const LINUX_REBOOT_CMD_CAD_OFF: c_int =
310 linux_raw_sys::general::LINUX_REBOOT_CMD_CAD_OFF as _;
311 pub(crate) const LINUX_REBOOT_CMD_POWER_OFF: c_int =
312 linux_raw_sys::general::LINUX_REBOOT_CMD_POWER_OFF as _;
313 pub(crate) const LINUX_REBOOT_CMD_SW_SUSPEND: c_int =
314 linux_raw_sys::general::LINUX_REBOOT_CMD_SW_SUSPEND as _;
315 pub(crate) const LINUX_REBOOT_CMD_KEXEC: c_int =
316 linux_raw_sys::general::LINUX_REBOOT_CMD_KEXEC as _;
317}
318#[cfg(feature = "system")]
319pub(crate) use reboot_symbols::*;
320