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1 /*++
2
3 Copyright (c) Microsoft. All rights reserved.
4
5 Module Name:
6
7 dev_pt_common.h
8
9 Abstract:
10
11 This file is a test for the Pseudo Terminals: /dev/ptmx, /dev/pts/<n>
12 devices.
13
14 --*/
15
16 #ifndef _DEV_PT_COMMON
17 #define _DEV_PT_COMMON
18
19 #include <errno.h>
20 #include <sys/types.h>
21 #include <sys/wait.h>
22 #include <sys/cdefs.h>
23 #include <linux/limits.h>
24 #include <fcntl.h>
25 #include <stdlib.h>
26 #include <stdio.h>
27 #include <termios.h>
28 #include <pthread.h>
29 #include <stdbool.h>
30 #include <unistd.h>
31 #include <pty.h>
32 #include <sys/ioctl.h>
33 #include <sys/uio.h>
34 #include <termios.h>
35 #include "lxtcommon.h"
36 #include "unittests.h"
37
38 //
39 // min, max macros
40 //
41
42 #define min(a, b) (((a) < (b)) ? (a) : (b))
43 #define max(a, b) (((a) > (b)) ? (a) : (b))
44
45 //
46 // TRUE, FALSE macros
47 //
48
49 #define FALSE 0
50 #define TRUE 1
51
52 #define PTS_DEV_NAME_BUFFER_SIZE 50
53
54 #define IS_CONTROL_CHAR_ECHO_STRING(s, c) (((s)[0] == '^') && (((s)[1] > 0x40)) && (((s)[1] - 0x40) == (c)))
55
56 #define LxtCheckFnResults(fn, result, expectedresult) \
57 { \
58 if ((result) != (expectedresult)) \
59 { \
60 LxtLogError("Unexpected results. %s returned with result:%d, expected:%d.", #fn, result, expectedresult); \
61 Result = LXT_RESULT_FAILURE; \
62 goto ErrorExit; \
63 } \
64 \
65 Result = LXT_RESULT_SUCCESS; \
66 }
67
68 #define LxtClose(_fd) \
69 { \
70 if ((_fd) >= 0) \
71 { \
72 LxtCheckErrno(close(_fd)); \
73 (_fd) = -1; \
74 } \
75 }
76
77 #ifndef STDIN
78 #define STDIN 0
79 #endif
80
81 #ifndef STDOUT
82 #define STDOUT 1
83 #endif
84
85 typedef enum _SIMPLE_READ_WRITE_MODE
86 {
87 SimpleReadWriteForeground,
88 SimpleReadWriteBackgroundNoSignal,
89 SimpleReadWriteBackgroundSignal,
90 SimpleReadWriteBackgroundSignalNoStop
91 } SIMPLE_READ_WRITE_MODE;
92
93 //
94 // Functions.
95 //
96
97 void DumpBuffer(const char Data[], size_t DataSize);
98
99 int GetPtSerialNumFromDeviceString(const char PtsNameString[]);
100
101 int GetRandomMessage(char Message[], size_t MessageSize, bool CompleteMessage);
102
103 int OpenMasterSubordinate(int* PtmFd, int* PtsFd, char* PtsDevName, int* SerialNumber);
104
105 pid_t ForkPty(int* PtmFdOut, int* PtsFdOut);
106
107 pid_t ForkPtyBackground(int* PtmFdOut, int* PtsFdOut, pid_t* ForegroundIdOut);
108
109 pid_t ForkPtyMaster(int* PtmFdOut, int* PtsFdOut);
110
111 void PtSignalHandler(int signal, siginfo_t* signalInfo, void* context);
112
113 int RawInit(int Fd);
114
115 int SimpleReadWriteCheck(int PtmFd, int PtsFd);
116
117 int SimpleReadWriteCheckEx(int PtmFd, int PtsFd, SIMPLE_READ_WRITE_MODE Mode);
118
119 int TerminalSettingsGet(int Fd, cc_t* ControlArrayOut, tcflag_t* ControlFlagsOut, tcflag_t* InputFlagsOut, tcflag_t* LocalFlagsOut, tcflag_t* OutputFlagsOut);
120
121 int TerminalSettingsGetControlArray(int Fd, cc_t* ControlArrayOut);
122
123 int TerminalSettingsGetControlFlags(int Fd, tcflag_t* ControlFlagsOut);
124
125 int TerminalSettingsGetInputFlags(int Fd, tcflag_t* InputFlagsOut);
126
127 int TerminalSettingsGetLocalFlags(int Fd, tcflag_t* LocalFlagsOut);
128
129 int TerminalSettingsGetOutputFlags(int Fd, tcflag_t* OutputFlagsOut);
130
131 int TerminalSettingsSet(int Fd, cc_t* ControlArray, tcflag_t ControlFlags, tcflag_t InputFlags, tcflag_t LocalFlags, tcflag_t OutputFlags);
132
133 int TerminalSettingsSetControlArray(int Fd, cc_t* ControlArray);
134
135 int TerminalSettingsSetControlFlags(int Fd, tcflag_t ControlFlags);
136
137 int TerminalSettingsSetInputFlags(int Fd, tcflag_t InputFlags);
138
139 int TerminalSettingsSetLocalFlags(int Fd, tcflag_t LocalFlags);
140
141 int TerminalSettingsSetOutputFlags(int Fd, tcflag_t OutputFlags);
142
143 int WriteReadFdCommon(int WriteFd, size_t WriteSizes[], size_t NumWriteSizes, int ReadFd, size_t ReadSizes[], size_t NumReadSizes);
144
145 #endif // _DEV_PT_COMMON