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104 | #define expect_false(expr) expect ((expr) != 0, 0) |
104 | #define expect_false(expr) expect ((expr) != 0, 0) |
105 | #define expect_true(expr) expect ((expr) != 0, 1) |
105 | #define expect_true(expr) expect ((expr) != 0, 1) |
106 | |
106 | |
107 | /*****************************************************************************/ |
107 | /*****************************************************************************/ |
108 | |
108 | |
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109 | #include "libeio/config.h" |
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110 | |
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111 | #if HAVE_RLIMITS |
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112 | #include <sys/time.h> |
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113 | #include <sys/resource.h> |
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114 | #endif |
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115 | |
109 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
116 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
110 | typedef int aio_rfd; /* read file desriptor */ |
117 | typedef int aio_rfd; /* read file desriptor */ |
111 | typedef int aio_wfd; /* write file descriptor */ |
118 | typedef int aio_wfd; /* write file descriptor */ |
112 | |
119 | |
113 | static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash; |
120 | static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash; |
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119 | STRLEN stroffset; \ |
126 | STRLEN stroffset; \ |
120 | SV *self; |
127 | SV *self; |
121 | |
128 | |
122 | #define EIO_NO_WRAPPERS 1 |
129 | #define EIO_NO_WRAPPERS 1 |
123 | |
130 | |
124 | #include "libeio/config.h" |
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125 | #include "libeio/eio.h" |
131 | #include "libeio/eio.h" |
126 | |
132 | |
127 | static int req_invoke (eio_req *req); |
133 | static int req_invoke (eio_req *req); |
128 | #define EIO_FINISH(req) req_invoke (req) |
134 | #define EIO_FINISH(req) req_invoke (req) |
129 | static void req_destroy (eio_req *grp); |
135 | static void req_destroy (eio_req *grp); |
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2049 | PUSHs (newmortalFH (fd[0], O_RDONLY)); |
2055 | PUSHs (newmortalFH (fd[0], O_RDONLY)); |
2050 | PUSHs (newmortalFH (fd[1], O_WRONLY)); |
2056 | PUSHs (newmortalFH (fd[1], O_WRONLY)); |
2051 | } |
2057 | } |
2052 | } |
2058 | } |
2053 | |
2059 | |
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2060 | UV |
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2061 | get_fdlimit () |
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2062 | CODE: |
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2063 | #if HAVE_RLIMITS |
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2064 | struct rlimit rl; |
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2065 | if (0 == getrlimit (RLIMIT_NOFILE, &rl)) |
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2066 | XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur); |
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2067 | #endif |
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2068 | XSRETURN_UNDEF; |
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2069 | OUTPUT: |
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2070 | RETVAL |
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2071 | |
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2072 | void |
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2073 | min_fdlimit (UV limit = 0x7fffffffU) |
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2074 | CODE: |
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2075 | { |
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2076 | #if HAVE_RLIMITS |
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2077 | struct rlimit rl; |
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2078 | rlim_t orig_rlim_max; |
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2079 | UV bit; |
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2080 | |
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2081 | if (0 != getrlimit (RLIMIT_NOFILE, &rl)) |
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2082 | goto fail; |
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2083 | |
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2084 | if (rl.rlim_cur == RLIM_INFINITY) |
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2085 | XSRETURN_YES; |
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2086 | |
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2087 | orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max; |
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2088 | |
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2089 | if (rl.rlim_cur < limit) |
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2090 | { |
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2091 | rl.rlim_cur = limit; |
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2092 | |
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2093 | if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY) |
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2094 | rl.rlim_max = rl.rlim_cur; |
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2095 | } |
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2096 | |
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2097 | if (0 == setrlimit (RLIMIT_NOFILE, &rl)) |
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2098 | XSRETURN_YES; |
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2099 | |
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2100 | if (errno == EPERM) |
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2101 | { |
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2102 | /* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */ |
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2103 | /* our limit overflows a system-wide limit */ |
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2104 | /* try an adaptive algorithm, but do not lower the hardlimit */ |
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2105 | rl.rlim_max = 0; |
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2106 | for (bit = 0x40000000U; bit; bit >>= 1) |
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2107 | { |
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2108 | rl.rlim_max |= bit; |
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2109 | rl.rlim_cur = rl.rlim_max; |
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2110 | |
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2111 | /* nevr decrease the hard limit */ |
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2112 | if (rl.rlim_max < orig_rlim_max) |
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2113 | break; |
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2114 | |
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2115 | if (0 != setrlimit (RLIMIT_NOFILE, &rl)) |
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2116 | rl.rlim_max &= ~bit; /* too high, remove bit again */ |
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2117 | } |
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2118 | |
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2119 | /* now, raise the soft limit to the max permitted */ |
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2120 | if (0 == getrlimit (RLIMIT_NOFILE, &rl)) |
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2121 | { |
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2122 | rl.rlim_cur = rl.rlim_max; |
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2123 | if (0 == setrlimit (RLIMIT_NOFILE, &rl)) |
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2124 | errno = EPERM; |
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2125 | } |
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2126 | } |
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2127 | #endif |
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2128 | fail: |
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2129 | XSRETURN_UNDEF; |
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2130 | } |
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2131 | |
2054 | void _on_next_submit (SV *cb) |
2132 | void _on_next_submit (SV *cb) |
2055 | CODE: |
2133 | CODE: |
2056 | SvREFCNT_dec (on_next_submit); |
2134 | SvREFCNT_dec (on_next_submit); |
2057 | on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; |
2135 | on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; |
2058 | |
2136 | |