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dlfcn.h.0p (2376B)

    

  1. '\" et
  2. .TH dlfcn.h "0P" 2017 "IEEE/The Open Group" "POSIX Programmer's Manual"
  3. .\"
  4. .SH PROLOG
  5. This manual page is part of the POSIX Programmer's Manual.
  6. The Linux implementation of this interface may differ (consult
  7. the corresponding Linux manual page for details of Linux behavior),
  8. or the interface may not be implemented on Linux.
  9. .\"
  10. .SH NAME
  11. dlfcn.h
  12. \(em dynamic linking
  13. .SH SYNOPSIS
  14. .LP
  15. .nf
  16. #include <dlfcn.h>
  17. .fi
  18. .SH DESCRIPTION
  19. The
  20. .IR <dlfcn.h> 
  21. header shall define at least the following symbolic constants for use
  22. in the construction of a
  23. \fIdlopen\fR()
  24. .IR mode
  25. argument:
  26. .IP RTLD_LAZY 14
  27. Relocations are performed at an implementation-defined time.
  28. .IP RTLD_NOW 14
  29. Relocations are performed when the object is loaded.
  30. .IP RTLD_GLOBAL 14
  31. All symbols are available for relocation processing of other modules.
  32. .IP RTLD_LOCAL 14
  33. All symbols are not made available for relocation processing by other
  34. modules.
  35. .P
  36. The following shall be declared as functions and may also be defined
  37. as macros. Function prototypes shall be provided.
  38. .sp
  39. .RS 4
  40. .nf
  42. int    dlclose(void *);
  43. char  *dlerror(void);
  44. void  *dlopen(const char *, int);
  45. void  *dlsym(void *restrict, const char *restrict);
  46. .fi
  47. .P
  48. .RE
  49. .LP
  50. .IR "The following sections are informative."
  51. .SH "APPLICATION USAGE"
  52. None.
  53. .SH RATIONALE
  54. None.
  55. .SH "FUTURE DIRECTIONS"
  56. None.
  57. .SH "SEE ALSO"
  58. The System Interfaces volume of POSIX.1\(hy2017,
  59. .IR "\fIdlclose\fR\^(\|)",
  60. .IR "\fIdlerror\fR\^(\|)",
  61. .IR "\fIdlopen\fR\^(\|)",
  62. .IR "\fIdlsym\fR\^(\|)"
  63. .\"
  64. .SH COPYRIGHT
  65. Portions of this text are reprinted and reproduced in electronic form
  66. from IEEE Std 1003.1-2017, Standard for Information Technology
  67. -- Portable Operating System Interface (POSIX), The Open Group Base
  68. Specifications Issue 7, 2018 Edition,
  69. Copyright (C) 2018 by the Institute of
  70. Electrical and Electronics Engineers, Inc and The Open Group.
  71. In the event of any discrepancy between this version and the original IEEE and
  72. The Open Group Standard, the original IEEE and The Open Group Standard
  73. is the referee document. The original Standard can be obtained online at
  74. http://www.opengroup.org/unix/online.html .
  75. .PP
  76. Any typographical or formatting errors that appear
  77. in this page are most likely
  78. to have been introduced during the conversion of the source files to
  79. man page format. To report such errors, see
  80. https://www.kernel.org/doc/man-pages/reporting_bugs.html .