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authorRich Felker <dalias@aerifal.cx>2014-12-05 21:19:39 -0500
committerRich Felker <dalias@aerifal.cx>2014-12-05 21:19:39 -0500
commit8f7bc690f07e90177b176b6e19736ad7c1d49840 (patch)
tree06f4886843fe4f623a6d5ca7dec851434d7d7170 /src/math/asinl.c
parent1c12c24364d1058ffdbb28fca72a51de85082778 (diff)
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use direct syscall rather than write function in posix_spawn child
the write function is a cancellation point and accesses thread-local
state belonging to the calling thread in the parent process. since
cancellation is blocked for the duration of posix_spawn, this is
probably safe, but it's fragile and unnecessary. making the syscall
directly is just as easy and clearly safe.
Diffstat (limited to 'src/math/asinl.c')
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